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Ecology Review
Test Description: Ecology Review
Instructions: Answer all questions to get your test result.
1) What term is used to describe an organism that makes its own food?
A
Producer
B
Omnivore
C
Consumer
D
Decomposer
2) What is the process of breaking food down to yield energy called?
A
Autotropism
B
Cellular Respiration
C
Nitrogen Fixation
D
Photosynthesis
3) What type of organisms get their energy by eating other organisms?
A
Consumers
B
Only Carnivores
C
Only Decomposers
D
Producers
4) What is used to show the many feeding relationships in an ecosystem?
A
food chains
B
trophic levels
C
food webs
D
nutrient cycling diagram
5) Which organism is likely to be in the bottom trophic level in a food chain?
A
killer whale
B
small shrimp
C
leopard seal
D
algae
6) What type of organisms eat both producers and consumers?
A
carnivores
B
decomposers
C
omnivore
D
decomposers
7) Which of the following is a product of photosynthesis?
A
fixed nitrogen
B
carbon dioxide
C
carbohydrates
D
water
8) Which of the following statements is NOT true about consumers?
A
they sometimes eat other consumers
B
they use chemical reactions to make their own food
C
they get energy indirectly from the sun
D
they are called heterotrophs
9) Which of the following is correctly arranged from lowest to highest trophic level?
A
grass, mouse, snake, eagle
B
grass, bass, minnow, snake
C
bacteria, eagle, frog, mushroom
D
algae, deer, hawk, bacteria
10) What is the main source of energy for an ecosystem?
A
photosynthesis
B
grass
C
decomposers
D
sun
*select an answer for all questions
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