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