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Producers, Consumers, Decomposers, Ecosystems
Test Description: Biology review
Instructions: Answer all questions to get your test result.
1) What supplies the energy to all organisms in tropical rainforest?
A
heat
B
sunlight
C
rain
D
oxygen
2) Slugs are decomposers. How do they get the energy that they need?
A
Slugs take in sunlight and water to make their own food.
B
Slugs eat leaves growing on rainforest plants.
C
Slugs are predators that search for prey.
D
Slugs feed on dead leaves and waste on the forest floor.
3) Jaguars hunt for, kill, and eat animals. All of the following correctly describe jaguars except for:
A
herbivores
B
predators
C
consumers
D
carnivores
4) The plants in the rainforest all have which three needs?
A
iron, calcium, lead
B
water, light, electricity
C
water, sunlight, oxygen
D
water, carbon dioxide, sunlight
5) Does a toucan bird depend on the sun?
A
Yes, the sun supplies the energy for all food chains.
B
Yes, the toucan is a producer.
C
No, the rainforest does not have sunlight.
D
No, the toucan eats fruit.
6) How do mushrooms survive in the rainforest?
A
They perform photosynthesis.
B
They get energy from the sun.
C
Water provides them with all of their energy.
D
They grow on decaying trees and get energy from dead plant and animal matter.
7) What is the original source of energy for the food chain that is involved when you eat cheese?
A
cows
B
water
C
mold
D
sunlight
8) How do rainforest mosquitoes get energy?
A
They are producers.
B
They are decomposers.
C
They are parasites.
D
They do not need energy to stay alive.
9) Which of the following is a limited resource for organisms on the rainforest floor?
A
oxygen
B
water
C
sunlight
D
heat
10) What do the arrows in a food chain show?
A
the flow of energy through an ecosystem
B
how water is passed from organism to organism
C
the passing of oxygen
D
what organisms eat
*select an answer for all questions
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