ScienceChapter 5Test Review
The process by which plants make food, using energy from sunlight.
F. photosynthesis
A community of organisms and the environment in which they live.
C. Ecosystem
An animal that eats only producers.
G. herbivore
An organism that makes its own food.
H. producer
An animal that eats plants or other animals.
A. consumer
The transfer of energy between organisms in an ecosystem.
B. Food chain
An organism that breaks down the remains of dead plants and animals.
D. Decomposer
A diagram that shows how much food energy is passed to each level in a food chain.
E. Energy pyramid
What is the source of energy for producers?
A. the sun, because producers need light to make food.
B. the earth, because the soil provides warmth and nutrients.
C. wind, because producers need wind to scatter their seeds.
D. fresh water, because producers need water to make food
A. the sun, because producers need light to make food.
What kind of animal comes last in every food chain?
A. carnivoreB. decomposerC. herbivoreD. producer
B. decomposer
Suppose a colony of ants eats a plant. How much of the plant’s energy is passed to the ants?
A. 1 percentB. 10 percentC. 50 percentD. 90 percent
B. 10 percent
Which process is NOT part of the nitrogen cycle.
A. bacteria that live on some plant roots fix nitrogen gas
B. plants release nitrogen compounds during transpiration.
C. Bacteria break down animal wastes and dead organisms.
D. lightning produces nitrogen compounds that dissolve in rain.
B. plants release nitrogen compounds during transpiration.
Which substance enables a plant to use the sun’s energy to make food?
A. chlorophyll
B. oxygen
C. sugar
D. water
A. chlorophyll
Which is a product of photosynthesis?
A. Carbon dioxide
B. Nitrogen
C. Oxygen
D. pigment
C. Oxygen
Which term is correctly described?
A. herbivore: second level consumer
B. omnivore: producer
C. carnivore: consumer
D. decomposer: first- level consumer.
C. carnivore: consumer
Which ordering of these organisms makes a food chain?
A. grass snake locust owlB. owl snake grass locustC. snake locust grass owlD. Grass locust snake owl
D. Grass locust snake owl