Brain ChallengerLife Science Review

Select a question and answer it

correctly to obtain points to win the

game. Each correct answer gets

your team 10 points!

Select a question and answer it

correctly to obtain points to win the

game. Each correct answer gets

your team 10 points!

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Showcase Your Knowledge!Showcase Your Knowledge!

Question 1- Which diagram shows how energy moves from one kind of living thing to another?

Question 1- Which diagram shows how energy moves from one kind of living thing to another?

A Consumer decomposers producers*

B Producers decomposers consumers*

D Decomposers consumers producers

C Producers consumers decomposers

Question 2 – A fishbowl with a goldfish living in it is not an accurate model of the fish’s natural habitat because the fish bowl—

Question 2 – A fishbowl with a goldfish living in it is not an accurate model of the fish’s natural habitat because the fish bowl—

A only contains one type of animal.*

B contains water and nutrients for the fish. *

C has sand at the bottom. *

D has rocks for the fish to hide under. *

Question 3 – Removing too many small fish from parts of the ocean where sharks live will most likely cause sharks to—

Question 3 – Removing too many small fish from parts of the ocean where sharks live will most likely cause sharks to—

A die.*

B move to another area.*

C start eating plants rather than fish.*

D change color to hide themselves from predators.*

Question 4 – Why do many birds build their nests high in trees?Question 4 – Why do many birds build their nests high in trees?

D A nest that is high up helps birds avoid predators.*

A Birds lay their eggs in trees.*

B It is easier for birds to get there.*

C There is no room for bird nests on the ground.*

Question 5 – The energy that plants use to live and grow is provided by—

Question 5 – The energy that plants use to live and grow is provided by—

A the sun.*

B the rain.*

C fertilizer.*

D wind power.*

Question 6 – Birds often lay eggs and then cover the eggs by sitting on them because this—

Question 6 – Birds often lay eggs and then cover the eggs by sitting on them because this—

A protects the eggs from sunlight.*

C keeps them warm to help them hatch.*

B hides the eggs from predators.*

D makes more room for the bird to sleep in the nest.*

Question 7 – A sandhill crane typically lives in a shortgrass prairie or a marsh and eats plants, insects, fruit, and worms. A bird like the sandhill crane would have the hardest time hunting in an environment that is mostly—

Question 7 – A sandhill crane typically lives in a shortgrass prairie or a marsh and eats plants, insects, fruit, and worms. A bird like the sandhill crane would have the hardest time hunting in an environment that is mostly—A snowy and cold.*

B rocky and warm.*

C sandy and wet.*

D rainy and hot.*

Question 8 – All of the following are adaptations of plants EXCEPT—

Question 8 – All of the following are adaptations of plants EXCEPT—

B photosynthesis.*

A sharp spines.*

C fragrant flowers.*

D specialized root systems.*

Question 9 – A camel has large padded feet so that its feet do not sink in or get burned on the hot sand. These adaptations would be most useful in the—

Question 9 – A camel has large padded feet so that its feet do not sink in or get burned on the hot sand. These adaptations would be most useful in the—

B swamp.*

A desert.*

C grassland.*

D mountains.*

Question 10 – The elephant has many veins in its ears. Flapping its ears cools the blood flowing through these veins. This adaptation would be an advantage in a climate that is very—

Question 10 – The elephant has many veins in its ears. Flapping its ears cools the blood flowing through these veins. This adaptation would be an advantage in a climate that is very—

D hot.*

A windy.*

B rainy.*

C cool.*

Question 11 – The ability of an animal to blend into its environment is known as—

Question 11 – The ability of an animal to blend into its environment is known as—

A metamorphosis.*

D camouflage.*

B hibernation.*

C migration.*

Question 12 – From observing the body structure of a giraffe, what would most likely be its primary source of food?

Question 12 – From observing the body structure of a giraffe, what would most likely be its primary source of food?

C Leaves*

A Grass*

B Fish*

D Gazelles*

Question 13 – A crocodile is often mistaken as a dead log floating in the water. In what type of environment would a crocodile most likely live?

Question 13 – A crocodile is often mistaken as a dead log floating in the water. In what type of environment would a crocodile most likely live?

B Wetlands*

A Desert*

C Ocean*

D Tundra*

Question 14 –Why is it necessary for female frogs to lay hundreds of eggs in order for its species to survive?

Question 14 –Why is it necessary for female frogs to lay hundreds of eggs in order for its species to survive?

A All of the eggs hatch and cause overcrowding.*

C Many of the tadpoles are eaten before reaching adulthood.*

B The water is too dirty for many of the frogs to survive.*

D Many female frogs are eaten before they can lay eggs.*

Question 15 – Many animals have colored skin or fur that helps them blend into their environments. What might happen to a deer that was born an albino (all white) without its natural camouflage?

Question 15 – Many animals have colored skin or fur that helps them blend into their environments. What might happen to a deer that was born an albino (all white) without its natural camouflage?

D It have a more difficult time surviving.*

A It would be smaller than the other deer.*

B It would live longer than the other deer.*

C It would be ignored by all the predators.*

Question 16 – What food would a bird with a strong, sharp, and long beak most likely eat?

Question 16 – What food would a bird with a strong, sharp, and long beak most likely eat?

C Fish *

A Seeds and Nuts*

B Nectar from flowers*

D Small mammals*

Question 17 – Pigeons naturally nest in high places that are protected from wind and rain. If all of the trees in a pigeon’s environment were cut down, where might the pigeon build her nest?

Question 17 – Pigeons naturally nest in high places that are protected from wind and rain. If all of the trees in a pigeon’s environment were cut down, where might the pigeon build her nest?

B In a shrub or bush*

A Under tall bridges*

C In tall grasses*

D On top of a rock pile*

Question 18 – Which of the following characteristics would NOT be an advantage in a hot climate?

Question 18 – Which of the following characteristics would NOT be an advantage in a hot climate?

A Long tail*

C Layers of fat*

B Strong beak*

D Sharp claws*

Question 19 – The intertidal zone of the ocean is where the beach and the water meet. When the tide is high, the beach is under water. When the tide is low, the beach is out of the water. The organisms that live on this part of the beach have the ability to do all of the following EXCEPT—

Question 19 – The intertidal zone of the ocean is where the beach and the water meet. When the tide is high, the beach is under water. When the tide is low, the beach is out of the water. The organisms that live on this part of the beach have the ability to do all of the following EXCEPT—

D swim for long distances.*

A survive the crashing waves.*

B find food for themselves.*

C live in moist sand.*

Question 20 – Coral reefs serve as home to many salt-water creatures. How might disturbing the coral reef affect the underwater ecosystem?

Question 20 – Coral reefs serve as home to many salt-water creatures. How might disturbing the coral reef affect the underwater ecosystem?

B The creatures could lose shelter and food supply.*

A The number of salt-water creatures may increase.*

C The coral may grow too large for fish to live there.*

D The coral reef would move to another location.*

Question 21 – If many frogs were removed from a pond ecosystem, which of the following might happen?

Question 21 – If many frogs were removed from a pond ecosystem, which of the following might happen?

B The insect population would increase.*

A All of the fish in the pond would die.*

C There would be less water in the pond.*

D The plants in the pond could not survive.*

Question 22 – Which of the following organisms is a producer?

Question 22 – Which of the following organisms is a producer?

A Water lilies*

B Dragonflies*

C Striped bass*

D Mallard ducks*

Question 23 – Which of the following do BOTH plants and animals need in order to survive?

Question 23 – Which of the following do BOTH plants and animals need in order to survive?

B Soil*

A Water*

C Oxygen*

D Carbon dioxide*

Question 24 – How are plant and animal life cycles similar?Question 24 – How are plant and animal life cycles similar?

A Plants and animals both develop in stages.*

B Each life cycle begins with a hard outer shell.*

C Each type of organisms grows toward sunlight.*

D Oxygen is required at every level of development.*

Question 25 – Which part of a rabbit helps protect it from predators?

Question 25 – Which part of a rabbit helps protect it from predators?

*D ability to shoot out a bad-smelling liquid

A Its stong muscles for running away *

B Its dark color which allows it to hide*

C Its poisonous bite that kills animals*

Question 26 – The sparse plant life on the tundra is often buried beneath snow. Still, the tundra is home to many herbivores and carnivores. Carnivores on the tundra would compete for—

Question 26 – The sparse plant life on the tundra is often buried beneath snow. Still, the tundra is home to many herbivores and carnivores. Carnivores on the tundra would compete for—

A space.*

B meat.*

C plants.*

D oxygen.*

Question 27 – Which of the following statements best describes an habitat or biome?

Question 27 – Which of the following statements best describes an habitat or biome?

D A region with a distinct climate and many plants and animals*

A A region where animals live without plant life*

B A region that contains animals that have adapted*

C A region that has many plants and a few animals*

Question 28 – An oil spill occurring in ocean waters might cause all of the following EXCEPT the organisms there—

Question 28 – An oil spill occurring in ocean waters might cause all of the following EXCEPT the organisms there—

C may grow larger.*

A may perish (die).*

B may become ill.*

D may be covered in oil.*

Question 29 – In an aquarium, a pump is used to circulate oxygen through the water for the fish. What might happen if the pump on the aquarium stopped working?

Question 29 – In an aquarium, a pump is used to circulate oxygen through the water for the fish. What might happen if the pump on the aquarium stopped working?

A The fish might die of starvation.*

C The fish might die from lack of oxygen.*

B The fish might lay many eggs.*

D The fish might need more food to eat.*

Question 30 – Many fungi thrive, or grow well, in warm, moist climates. In which of the following places would you most likely find fungi growing abundantly?

Question 30 – Many fungi thrive, or grow well, in warm, moist climates. In which of the following places would you most likely find fungi growing abundantly?

B A tropical rain forest*

A A rocky mountain top*

C A hot, dry desert*

D On the ocean floor*

Question 31 – What basic need do frogs meet when they catch flies with their tongues?

Question 31 – What basic need do frogs meet when they catch flies with their tongues?

B Food*

A Shelter*

C Water*

D Air*

Question 32 – A student examined the trunk of a tree that had been cut down. The distance between the second and third rings of the tree was much greater than the distance between the other rings. One conclusion might be that—

Question 32 – A student examined the trunk of a tree that had been cut down. The distance between the second and third rings of the tree was much greater than the distance between the other rings. One conclusion might be that—

A ring patterns do not give information about tree growth.*

D the tree was able to grow more quickly that year.*

B tree rings can not tell you anything about trees.*

C the distance between trees rings should be the same.*

Question 33 – Which of the following organisms would best complete this partial food chain?Grass ?? Robin Fox

Question 33 – Which of the following organisms would best complete this partial food chain?Grass ?? Robin Fox

A Cricket*

B Lion*

C Strawberry*

D Beaver*

Question 34 – What adaptation do giraffes have to ensure that they have food to eat on the crowded African savannah?

Question 34 – What adaptation do giraffes have to ensure that they have food to eat on the crowded African savannah?

A Thin legs*

C Long tongues*

B Large teeth*

D Camouflaging skin*

Question 35 – A palm tree would have a hard time surviving in an environment that is—

Question 35 – A palm tree would have a hard time surviving in an environment that is—

A cold and dark*

B warm and sunny*

C warm and rainy*

D hot and rainy*

Question 36 – What is wrong with the following food chain? Sun Herbivore Carnivore Producer

Question 36 – What is wrong with the following food chain? Sun Herbivore Carnivore Producer

A Carnivore should come before Herbivore.*

D The sun gives energy to Producers first.*

B Producer should be between Herbivore and Carnivore. *

C Producer should come before Sun. *

Question 37 – What type of organisms change dead organisms into nutrients that plants can use?

Question 37 – What type of organisms change dead organisms into nutrients that plants can use?

A decomposers*

B Pine trees*

C Algae*

D Producers*

Question 38 – Why do most plants grow best during the spring and early summer months?

Question 38 – Why do most plants grow best during the spring and early summer months?

D Plants grow better during warmer, rainy days.*

A Plants grow better when there’s more daylight.*

B Plants grow better only in hot weather. *

C Plants grow better when there’s more rain.*

Question 39 – Which of the following is an example of a learned behavior?

Question 39 – Which of the following is an example of a learned behavior?

C A horse jumping fences*

A A dog drinking water*

B A polar bear walking*

D A turtle laying eggs*

Question 40 – Which of the following is a true statement about gas exchange in plants and/or animals?

Question 40 – Which of the following is a true statement about gas exchange in plants and/or animals?

B Plants take in carbon dioxide from animals and give off oxygen.*

A Animals give off oxygen and take in carbon dioxide from plants.*

C Plants take in sugar and give off food for animals. *

D Animals take in oxygen and give off nitrogen for plants. *

Question 41 – Plants get the energy they need to make food from—

Question 41 – Plants get the energy they need to make food from—

B Sunlight*

A Oxygen*

C Water*

D Nitrogen*

Question 42 – Why do some birds fly south in the winter?Question 42 – Why do some birds fly south in the winter?

A To get their exercise*

C To keep warm*

B To find a mate*

D To find a nest*

Question 43 – What adaptation did the beaver inherit so that it could get wood to build its home?

Question 43 – What adaptation did the beaver inherit so that it could get wood to build its home?

B Brown, thick fur*

A Strong front teeth*

C Little, pointed ears*

D Flat, padded feet*

Question 44 – When trees are cut down and not replanted, it can lead to global warming. Global warming is the result of—

Question 44 – When trees are cut down and not replanted, it can lead to global warming. Global warming is the result of—

B the sun’s rays being trapped in the atmosphere*

A trees being burned up*

C the land heating up*

D the oceans heating up*

Question 45 – To investigate life forms in pond water, you would use a—

Question 45 – To investigate life forms in pond water, you would use a—

C microscope*

A telescope*

B calculator*

D triple-beam balance*

Question 46 – Which of the following organisms is most likely to compete with a largemouth bass for resources?

Question 46 – Which of the following organisms is most likely to compete with a largemouth bass for resources?

A Tadpoles*

D Trout*

B Seaweed*

C Coyote*

Question 47 – Which of the following correctly shows the life cycle of a pine tree?

Question 47 – Which of the following correctly shows the life cycle of a pine tree?

A Seed Seedling Tree Cone

B Seed Seedling Cone Tree*

C Tree Seedling Cone Seed*

D Cone Seedling Seed Tree*

Question 48 – Flowers help bees by producing nectar; bees help flowers by—

Question 48 – Flowers help bees by producing nectar; bees help flowers by—

C spreading the flower’s pollen from place to place*

A using flowers as a landing pad*

B practicing flying around the flowers*

D stinging people to keep them away from the flowers*

Question 49 – A characteristic of a wolf that is an adaptation for its life as a predator is its—

Question 49 – A characteristic of a wolf that is an adaptation for its life as a predator is its—

A bushy fur*

D good vision*

B long tail*

C loud howl*

Question 50 – Pill bugs can often be found under rocks and rotting logs. When exposed to light, they immediately try to find a dark place to hide. This reaction by the pill bugs and example of—

Question 50 – Pill bugs can often be found under rocks and rotting logs. When exposed to light, they immediately try to find a dark place to hide. This reaction by the pill bugs and example of—

B instinctive behavior*

A migration*

C learned behavior*

D feeding behavior*

Question 51 – If two trees in a yard are parent and offspring, it must be true that both trees—

Question 51 – If two trees in a yard are parent and offspring, it must be true that both trees—

B have the same number of flowers*

A have leaves that are the same shape*

C produce the same amount of fruit*

D are exactly the same height*

Question 52 – A cattle rancher has 3 separate fields where cattle can graze at his ranch. Each spring he moves the cattle to a different field. What is the MOST important reason for the rancher to move the cattle each year?

Question 52 – A cattle rancher has 3 separate fields where cattle can graze at his ranch. Each spring he moves the cattle to a different field. What is the MOST important reason for the rancher to move the cattle each year?

A The grass has a chance to grow back.*

B The manure can be collected.*

C The cattle get exercise when moving from field to field.*

D The fields cannot be properly irrigated when the cattle are present.*

Question 53 – Approximately how long is the beetle’s back leg?Question 53 – Approximately how long is the beetle’s back leg?

B 3 cm*

A 1 cm*

C 4 cm*

D 7 cm*

Question 54 – Birds come in a variety of colors, shapes, and sizes. What usually determines the color, shape, and size of a bird?

Question 54 – Birds come in a variety of colors, shapes, and sizes. What usually determines the color, shape, and size of a bird?

A The time of year that it was born*

D What the bird inherited from its parents*

B The type of food that the bird eats*

C The bird’s migratory patterns*

Question 55 – One function of a plant’s leaves is to—Question 55 – One function of a plant’s leaves is to—

B take in food for the plant*

A protect the plant*

C remove waste products*

D create food for the plant from sunight*

Question 56 – Which of the following is a consumer?Question 56 – Which of the following is a consumer?

B Rabbit*

A Grain*

C Vegetable*

D Tree*

Question 57 – What is the main function of a parrot’s clawed feet?Question 57 – What is the main function of a parrot’s clawed feet?

A To make noise*

C To hang on to trees*

B To protect itself*

D To find a mate*

Question 58 – Which characteristic is inherited rather than learned?Question 58 – Which characteristic is inherited rather than learned?

A Telling a story*

D Having blue eyes*

B Saying the Pledge of Allegiance*

C Riding a bicycle*

Question 59 – Which of the following behaviors is an example of an animal adapting to a change in the environment?

Question 59 – Which of the following behaviors is an example of an animal adapting to a change in the environment?

B A bird migrating south*

A A squirrel climbing a tree*

C A frog eating an insect*

D A rabbit feeding its young*

Question 60 – Which two organisms below are most likely to compete for resources in a habitat?

Question 60 – Which two organisms below are most likely to compete for resources in a habitat?

D Grass and strawberry plants*

A Deer and butterflies*

B Owls and bacteria*

C Goldfish and rabbits*

Question 61 – Which of the following is a physical feature that can be passed from parent to offspring?

Question 61 – Which of the following is a physical feature that can be passed from parent to offspring?

A Sharp beak*

B Loose tooth*

C Walking*

D Talking*

Question 62 – What is the main function of a fruit?Question 62 – What is the main function of a fruit?

B To be eaten by an animal*

A To attract insects*

C To store extra water*

D To produce food for the plant*

Question 63 – Look at the bird’s foot pictured below. This type of foot is BEST adapted for—

Question 63 – Look at the bird’s foot pictured below. This type of foot is BEST adapted for—

A running*

C swimming*

B grasping tree limbs*

D running*

Question 64 – This environment is very hot in the day and cool at night. There is little rainfall and strong wind storms can occur. Which of these characteristics would help a plant survive in this environment?

Question 64 – This environment is very hot in the day and cool at night. There is little rainfall and strong wind storms can occur. Which of these characteristics would help a plant survive in this environment?

A The ability to store water*

B Broad thick leaves*

C A tall trunk*

D Thick bark*

Question 65 – In which of the following ecosystems would the animal pictured below MOST likely live?

Question 65 – In which of the following ecosystems would the animal pictured below MOST likely live?

A A wetland*

B A dry grassland*

C A snowy mountain*

D An evergreen forest*

Question 66 – An area that receives less than 10 cm of rain in a year is a—

Question 66 – An area that receives less than 10 cm of rain in a year is a—

B rain forest*

A desert*

C Deciduous forest*

D grassland*

Question 67 – Which part of a food web recycles matter by breaking it down into simple nutrients?

Question 67 – Which part of a food web recycles matter by breaking it down into simple nutrients?

C Decomposer*

A Producer*

B Consumer*

D Sunlight*

Question 68 – Which of the following adaptations helps protect some plants from being eaten by animals?

Question 68 – Which of the following adaptations helps protect some plants from being eaten by animals?

C Their sharp thorns*

A Their large leaves*

B Their pretty flowers*

D Their short stems*

Question 69 – Tropical rain forest have more plant growth than any other type of environment. This may be because rain forests get more rain than other environments. What is another reasonable scientific explanation for rain forest having the most plant growth?

Question 69 – Tropical rain forest have more plant growth than any other type of environment. This may be because rain forests get more rain than other environments. What is another reasonable scientific explanation for rain forest having the most plant growth?

B People do not cut down trees in the rain forest.*

A Temperatures are warm all year long in the rain forest.*

C The leaves high in the rain forest canopy absorb most of the sunlight. *

D Many birds and insects in the rain forest eat plants. *

Question 70 – To a brook trout, a stream would be its—Question 70 – To a brook trout, a stream would be its—

B habitat*

A niche*

C community*

D population*

Question 71 – A wasp beetle is mimicing what part of an actual wasp?

Question 71 – A wasp beetle is mimicing what part of an actual wasp?

D its color and body shape*

A Shape of eyes*

B Presence of wings*

C Location of antennae*

Question 72 – A strip of land is cleared of trees and bushes to make space for a power line. How might this impact the birds living in the area?

Question 72 – A strip of land is cleared of trees and bushes to make space for a power line. How might this impact the birds living in the area?

A The birds’ natural enemies will be eliminated.*

B There will be less food and shelter for the birds*

C The rate of erosion will decrease.*

*D Weather conditions may change.*

Question 73 – Which of the following is a MAIN function of a plant’s roots?

Question 73 – Which of the following is a MAIN function of a plant’s roots?

*C Absorbing water*

*A Making seeds*

*B Producing pollen*

*D Storing chlorophyll*

Question 74 – The eyespots on some butterflies’ wings allow them to—

Question 74 – The eyespots on some butterflies’ wings allow them to—

*A stay warm*

*D frighten or confuse enemies*

*B find nectar-filled flowers*

*C fly away quickly*

Question 75 – The kangaroo rat is able to get all of the water it needs through its food and, therefore never needs to drink liquids. This animal has adapted to survive in which biome?

Question 75 – The kangaroo rat is able to get all of the water it needs through its food and, therefore never needs to drink liquids. This animal has adapted to survive in which biome?

*C Desert*

*A Forest*

*B Tundra*

*D Grassland*

Question 76 – Humans, rabbits, snails, mushrooms, and cows are all—

Question 76 – Humans, rabbits, snails, mushrooms, and cows are all—

*A carnivores*

*B consumers*

*C herbivores*

*D producers*

Question 77 – Which of these has the greatest influence over how big a baby elephant will grow?

Question 77 – Which of these has the greatest influence over how big a baby elephant will grow?

*A The size of the parent elephants*

*B The amount of oxygen in the air*

*C The size of the trees in the jungle*

*D The type of grass on the plains*

Question 78 – The Osprey, also known as the fish hawk, lives in Texas marshes and swamps. What physical characteristic of an Osprey would help in catching fish?

Question 78 – The Osprey, also known as the fish hawk, lives in Texas marshes and swamps. What physical characteristic of an Osprey would help in catching fish?

*B Long talons (claws)*

*A Small eyes*

*C Large wings*

*D Brown feathers*

Question 79 – All birds of prey are—Question 79 – All birds of prey are—

*A carnivores*

*B peacocks*

*C nocturnal*

*D water fowl*

Question 80 – Green plants are important to animals because the plants—

Question 80 – Green plants are important to animals because the plants—

*C produce food and give off oxygen.*

*A consume food and give off oxygen.*

*B consume food and give off carbon dioxide. *

*D produce food and give off carbon dioxide.*

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