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Science, Biology
9th -
12thgrade
Ecological Pyramids: Mastery Test
13 questions
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- 1. Multiple Choice
Select the correct answer from each drop-down menu.
What is the source of energy in our ecosystem?
In our ecosystem, the ________ is the source of all energy. In terms of the ecological pyramid, _____ of energy is passed from one level to next level.
air
Sun
water
10%
50%
- 2. Fill in the Blank
Type the correct answer in the box. Spell all words correctly.
What are raccoons?
Raccoons feed on dead animals. Thus, they are decomposer animals known as _______________.
- 3. Fill in the Blank
Type the correct answer in the box. Spell all words correctly.
Which pyramid represents the dry weight or the organic matter in the species in each trophic level?
The pyramid of ____________ represents the dry weight or the organic matter in the species in each trophic level.
- 4. Fill in the Blank
Type the correct answer in the box. Spell all words correctly.
How does the environment produce biomass energy?
The environment produces biomass energy through a process called _________________.
- 5. Multiple Choice
Select the correct text in the passage.
Which sentences describe decomposers in a food chain?
They are the final link in the energy flow in a food chain or a food web. They are fungi and animals that feed on dead organic matter.
Plants produce food or energy from raw materials.
Plants are also known as autotrophs because they can produce organic compounds from inorganic chemicals.
Bacteria, fungi, worms, and snails recycle the garbage of dead matter and give back nutrients into the ecosystem.
- 6. Multiple Choice
Match each food chain and web component to the correct image.
decomposer
- 7. Multiple Choice
Match each food chain and web component to the correct image.
secondary consumer
- 8. Multiple Choice
Match each food chain and web component to the correct image.
producer
- 9. Multiple Choice
Match each food chain and web component to the correct image.
primary consumer
- 10. Multiple Choice
Where in the food chain will you place a shark?
producers
primary consumers
secondary consumers
decomposers
- 11. Multiple Choice
How many trophic levels can monkeys occupy in a food chain?
one, because they eat only plants
one, because they feed only on flesh
two, because they eat plants and insects
one, because they are producers of food
- 12. Multiple Choice
As part of a class project, Claire needs to draw a food chain of the animals she sees in a zoo.
Where in the food chain should she place rabbits?
producers
primary consumers
secondary consumers
tertiary consumers
- 13. Multiple Choice
Which statement is correct about the pyramid of numbers?
Higher the trophic level, lower the number of species and larger their size.
Higher the trophic level, higher the number of species and larger their size.
Higher the trophic level, lower the number of species and smaller their size.
Higher the trophic level, higher the number of species and smaller their size.
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