Name Chapter 1: Post-Test - WordPress.com several species of finches in which different types of beaks ... no other life form Darwin found on his journey showed such ... on neighboring

Name Chapter 1: Post-Test

Description Post-Test

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Question Which of the following is a property of life? Answer Heredity

Homeostasis Metabolism Reproduction

All of the above

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Question The key to a successful scientific investigation is Answer developing a correct hypothesis.

developing a variety of hypotheses.

a complex experiment. including two or more controls in the experiment.

making careful observations.

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Question Which of the following are in the correct order? Answer test, make observations, develop a hypothesis, make predictions,

draw conclusions

make observations, develop a hypothesis, make predictions, test, draw conclusions

develop a hypothesis, test, make predictions, make observations, draw conclusions

make predictions, develop a hypothesis, test, make observations, draw conclusions

Either 1 or 2

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Question In an effort to improve crop yield, a rancher tries different kinds of fertilizers. She uses an organic fertilizer on one field and a chemical fertilizer on another. A third field is not fertilized. The two fertilizers represent what part of her experiment? Answer The hypothesis

The control

Variables Predictions A theory

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Question The unfertilized field in the above experiment represents what part of her experiment? Answer The hypothesis

The control

Variables Predictions A theory

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Question A group of organisms of the same species living together is referred to as a(n) Answer population.

community.

species. ecosystem. biome.

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Question A group of similar cells that act as a functional unit are Answer organelle.

tissue. organs. organ system.

species.

species.

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Question While walking through a deciduous forest in New England one might observe squirrels, blue jays, gypsy moths, sugar maples, and blue spruce. All of those organisms represent a(n) Answer population.

community. species. ecosystem.

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Question A bacterial colony consists of identical cells that are derived from a single original cell. Those cells represent members of the same Answer population.

community.

species. ecosystem.

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Question Over 300 breeds of purebred dogs exist today. They are the result of Answer evolution.

natural selection.

artificial selection. selective selection.

adaptive evolution.

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Question Ultraviolet light causes skin cancer by Answer damaging the organelles in skin cells, resulting in cell death.

damaging the DNA in skin cells.

increasing the quantity of melanin in skin cells. concentrating toxins in skin cells. Both 1 and 3

concentrating toxins in skin cells. Both 1 and 3

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Question Which of the following is not a level of organization within cells? Answer Organelle level

Molecular level

Tissue level

None of these are levels of organization within a cell.

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Question Which one of the following is not considered a kingdom of living organisms? Answer Archaebacteria

Eubacteria Fungi

Chordata

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Question The highest level of complexity listed below is a(n) Answer population.

organism.

ecosystem.

community.

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Question A group of species and the physical environment in which they live are called a(n) Answer ecosystem.

population. community. biome.

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Question The original source of energy used by organisms is Answer DNA.

metabolism.

plants.

the sun.

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Question The energy-carrying molecule within the cell is Answer ATP.

DNA. CFC. RNA.

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Question In an experimental test, we attempt to manipulate only one factor at a time. This factor is called the Answer hypotheses.

control.

variable. prediction.

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Question Chlorofluorocarbons (CFCs) are responsible for an increase in the amount of ozone in the atmosphere. Answer True

False

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Question The amount of energy available stays constant as it flows through the ecosystem.

ecosystem. Answer True

False

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Question Prior to the publication of Darwin's On the Origin of Species, most people believed that species were created and unchanging over time. Answer True

False

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Question Darwin was one of many scientists who proposed natural selection as the mechanism of evolution. Answer True

False

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Question The relationship between pistol shrimp and coral is an example of Answer parasitism.

commensalism.

mutualism. competition.

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Question When two organisms attempt to utilize the same resource, the result is Answer parasitism.

competition. commensalism. mutualism.

competition. commensalism.

mutualism.

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Question The writings of Charles Lyell had a great influence on Darwin because Lyell Answer wrote about natural selection as the mechanism of evolution in great

detail. believed species changed when God brought forth a great disaster and

created new forms of life on the renewed Earth.

described a world where species were constantly becoming extinct while new species evolved.

described several species of finches in which different types of beaks allowed them to occupy different niches.

felt that humans had no influence on the evolution of other species.

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Question Which of the following helped convince Darwin in the evolution of species? Answer The fossil record

Patterns of life he observed on the voyage of the Beagle Biblical writings All of the above helped to convince Darwin in the evolution of species.

Only 1 and 2 helped to convince Darwin in the evolution of species.

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Question What was especially profound about the different beak types Darwin observed in his "finches" was that Answer they allowed each bird to successfully utilize many types of food items.

each beak type was seen on only one island. the beak type changed over the lifetime of each bird.

this incredible diversity occurred in a related group of birds.

no other life form Darwin found on his journey showed such striking resemblance to mainland organisms.

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Question The beak shape of Darwin's finches was influenced by the Answer number of offspring produced in a given year.

carrying capacity of the environment.

nature of the food supply. effects of artificial selection by the island's inhabitants.

predators preying on a particular species of bird.

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Question When clusters of species change from a common ancestor as they occupy different habitats, the phenomenon is called Answer adaptive radiation.

diverse radiation. ecological selection. artificial selection.

niche selection.

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Question A niche is described as Answer the space an organism occupies.

the food an organism consumes.

an organism's moisture requirements. the temperature at which an organism can survive.

All of the above

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Question Which of the following provides an example of commensalism? Answer A tapeworm living in the gut of its host

A bird feeding on insects on the back of a large herbivore A brightly colored poisonous frog Ants feeding on a plant

All of the above are examples of commensalisms.

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Question Darwin developed his theories on evolution by natural selection after observing Answer the feeding adaptations of the Galapagos finches.

fossils of extinct and living armadillos in South America. similarities and differences in the Galapagos organisms and South

American organisms. differences in the characteristics of similar species from place to place.

All of the above

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Question Evolution Answer has occurred only in the past 150 million years.

involves a progression of changes that took place over long periods of time.

occurs more often in plant species than in animals. is no longer possible. always results in species adapted for the current environment.

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Question Darwin found that plant and animal species living on oceanic islands were most similar to species found Answer at the same latitude anywhere else in the world.

at the same elevation anywhere else in the world.

anywhere in the world having a similar climate.

on the nearest mainland. on neighboring islands.

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Question Raw materials such as carbon and nitrogen Answer can only be used by plants in their raw forms.

move through the food chain in a similar manner to energy. are so plentiful that recycling is not necessary. are more plentiful in some biomes than in others.

cycle between organisms and the physical environment.

cycle between organisms and the physical environment.

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Question As the number of individuals of the prey species increases, the predator population Answer decreases.

increases. stabilizes.

evolves. None of the above

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Question The study of how organisms live in their environment is called Answer geology.

ecology. biology. astronomy.

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Question Charles Darwin served as a naturalist on a five-year navigational mapping expedition around the world. During this trip his primary observations were of Answer a wide variety of plants and animals on the coasts and coastal islands

of South America. the wildlife on the Great Plains of the United States. the coastal wildlife of China and India.

the marine life of the Bering Straits off the coast of Alaska.

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Question Which of the following is not a type of symbiotic relationship? Answer Predation

Commensalism

Mutualism Parasitism None of the above-they are all types of symbiosis

Parasitism None of the above-they are all types of symbiosis

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Question Peter and Rosemary Grant and generations of their students have studied the medium ground finch on a tiny island in the center of the Galapagos Islands called Daphne Major. They discovered that birds with stout beaks have an advantage during Answer wet weather when small seeds are plentiful.

dry weather when only large seeds are available. wet weather when only large seeds are available.

dry weather when seeds are plentiful.

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Question The mass number of an atom is equal to the number of Answer protons.

neutrons.

electrons.

protons (ampersand) neutrons.

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Question Atoms with the same number of protons and a different number of neutrons are Answer ions.

isotopes. positively charged.

negatively charged.

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Question An atom with 6 protons, 7 neutrons, and 6 electrons has an atomic number of Answer 6

13 12 7

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Question The chemical behavior of atoms is determined by the Answer electrons.

neutrons. protons.

All of the above

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Question Polar molecules are hydrophilic. Answer True

False

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Question A substance with a pH of 10 will have more hydrogen ions than hydroxide ions. Answer True

False

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Question A carbon atom with 4 electrons in its outer shell could accept up to 4 more electrons. Answer True

False

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Question A crystal of table salt is held together by hydrogen bonds. Answer True

False

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Question Non-polar substances don't dissolve in water. Answer True

False

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Question Which of the following has the least amount of mass? Answer A proton

A neutron

An electron An atom

A molecule

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Question An atom with an incompletely filled outermost energy level is likely to be Answer unable to form bonds with other atoms.

reactive.

stable. an isotope.

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Question An atom with eight electrons and six protons is an example of a(n) Answer molecule.

mole. isotope.

ion.

isotope.

ion.

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Question Ionic bonding involves Answer the sharing of electrons between two or more atoms.

weak bonding between adjacent water molecules.

the attraction of oppositely charged atoms.

Both 2 and 3

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Question Isotopes of carbon all have the same chemical properties. Answer True

False

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Question _______________ bonds link most of the atoms in the human body. Answer Hydrogen

Covalent Ionic All of the above

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Question One pair of electrons shared between two atoms is called a(n) Answer double covalent bond.

single covalent bond. triple covalent bond.

ionic bond.

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Question Hydrogen bonds are too weak to form stable molecules, therefore they are not important in biological molecules. Answer True

False

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Question Ice is less dense that liquid water. Answer True

False

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Question _____________ allows water molecules to stick together and form droplets. Answer Cohesion

Adhesion Surface tension Capillary action

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Question A substance that combines with H+ when dissolved in water is called an acid. Answer True

False

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Question Which of the following is not a principle macromolecule used to build cells? Answer Crystals

Carbohydrates Lipids Proteins

Carbohydrates Lipids

Proteins

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Question The largest carbohydrate from the following list is ____________________. Answer sucrose

fructose

glucose

glycogen

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Question Amino acids are the subunits that make up Answer carbohydrates.

lipids.

proteins. nucleic acids.

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Question The combining of macromolecule subunits that results in the removal of water is Answer denaturization.

catalysis.

hydrolysis.

dehydration.

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Question One chain of a DNA double helix contains the sequence CTAACG. The corresponding sequence on the other chain in the double helix would be Answer CTAACG.

TCGGTA.

GATTGC.

GCAATC.

GCAATC.

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Question A polymer is a molecule consisting of a long chain of similar subunits. Answer True

False

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Question Most animal fats are saturated and most plant fats are unsaturated. Answer True

False

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Question A special class of ___________ called enzymes is needed to facilitate the positioning of molecules during chemical reactions. Answer carbohydrates

proteins lipids nucleic acids

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Question The covalent bond that links two _____________ together is called a peptide bond. Answer monosaccharides

nucleotides

amino acids fatty acids

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Question There are 20 common kinds of amino acids that differ from one another by

their Answer functional R groups.

amino groups. H atoms. carboxyl groups.

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Question The sequence of amino acids of a protein is its ___________ structure. Answer primary

secondary tertiary

quaternary

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Question The ______________ bonds within the secondary structure of a protein can fold it into coils or sheets. Answer hydrogen

covalent ionic All of the above

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Question The final three-dimensional shape of a protein is known as the ___________ structure. Answer primary

secondary

tertiary quaternary

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Question A 5-carbon sugar, a phosphate group, and an organic nitrogen-containing base makes up a subunit of nucleic acids known as

Answer an amino acid. a monosaccharide.

a fatty acid.

a nucleotide.

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Question There is only one type of nucleic acid, which is DNA. Answer True

False

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Question Chaperone proteins help newly produced proteins to fold properly. Answer True

False

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Question Chitin, cellulose, and starch are all polymers of Answer sucrose.

glucose. fructose.

glycogen.

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Question Fatty acids that contain double bonds between one or more pairs of carbon atoms are Answer unsaturated.

saturated. cholesterol. sucrose.

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Question Which of the following is not a lipid? Answer Cholesterol

Steroids Wax

Cellulose

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Question The sequence of nucleotides in DNA specifies the _____________ of proteins. Answer amino acid sequence

secondary structure tertiary structure quaternary structure

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Question Robert Hooke first described cells by looking at thin slices of Answer honeycomb.

skin.

cork. bacteria.


Question What limits cell size? Answer Surface-to-volume ratio

Speed of movement of materials from the middle to the periphery of the cell

The bigger the cell, the less access there is from the exterior of the cell to the inside of the cell.

All of the above limit cell size.

to the inside of the cell.

All of the above limit cell size.


Question Which of the following structures contain microtubules? Answer Cilia

Flagella

Centrioles

All of the above


Question It is a fact that chromosomes Answer are located in the nucleus.

contain DNA. are only visible at certain times with a light microscope.

All of the above characterize chromosomes.


Question The smooth endoplasmic reticulum Answer synthesizes minerals.

synthesizes carbohydrates and lipids. functions as structural support for the cell. synthesizes ribosomes.


Question The net movement of molecules down a concentration gradient is Answer osmosis.

osmotic pressure.

diffusion.

exocytosis.


Question Which of the following can move freely across a plasma membrane? Answer Sugar

Protein Urea

Water


Question A red blood cell placed in pure water will burst because Answer osmotic pressure increases inside the cell.

the solution surrounding the cell is hypotonic.

the cell is hypertonic.

All of the above


Question Which one of the following terms is not related to a substance entering a cell? Answer endocytosis

exocytosis phagocytosis pinocytosis


Question Movement of molecules through channels in the plasma membrane in only one direction by the expenditure of energy is Answer osmosis.

diffusion.

active transport. facilitated diffusion.


Question Detoxification of potentially dangerous oxidizing molecules occurs within the lysosome. Answer True

False


Question The Golgi complex synthesizes proteins. Answer True

False


Question Energy for the cell is extracted from organic molecules within the mitochondrion. Answer True

False


Question Chloroplasts are found only in plants. Answer True

False


Question Cell vacuoles are comprised of empty space. Answer True

False


Question Cell walls in plants are composed of cellulose. Answer True

False


Question The chemical reactions of photosynthesis occur on the membranes of the mitochondrion. Answer True

False


Question Cell membranes are composed of a delicate protein sheet. Answer True

False


Question There are 2 major kinds of cells: prokaryotes and eukaryotes. Answer True

False


Question Diffusion is the movement of water molecules across a semi-permeable membrane which continues until equilibrium has been reached. Answer True

False

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Name Chapter 1: Post-Test - WordPress.com several species of finches in which different types of beaks ... no other life form Darwin found on his journey showed such ... on neighboring