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WorksheetsEnergy Flow through an Ecosystem Vocabulary Quiz
Total questions: 15
Worksheet time: 9mins
What are producers in an ecosystem?
Organisms that consume other organisms for energy
Organisms that decompose organic material
Organisms that make complex biomolecules from simple inorganic molecules
Organisms that live in water
Which of the following is NOT a function of producers?
Producing oxygen
Consuming other organisms
Providing food for herbivores
Capturing solar energy
Producers play a crucial role in the carbon cycle by:
Releasing carbon dioxide
Absorbing carbon dioxide
Breaking down carbon compounds
Storing carbon in rocks
What are tertiary consumers?
Animals that eat primary consumers.
Animals that eat secondary consumers.
Animals that eat plants.
Animals that produce their own food.
Which of the following best describes a heterotroph's diet?
Sunlight and water
Other organisms
Soil and minerals
Air and sunlight
Which of the following statements is true about heterotrophs?
They can make their own food
They must consume other organisms for nutrients
They only live in water
They use sunlight for energy
Heterotrophs are essential in an ecosystem because they:
Produce oxygen
Decompose organic material
Provide energy for other organisms
Consume other organisms and help manage population sizes of those organisms
What is the primary source of energy for producers in an energy pyramid?
Water
Soil
Sunlight
Air
What is the role of decomposers in the energy pyramid?
They produce energy.
They recycle nutrients.
They consume primary producers.
They store energy.
What happens to energy as it moves through a food chain? (moves up the energy pyramid)
It increases
It decreases
It remains constant
It disappears
What is the starting point of energy in a food web?
Decomposers
Consumers
Radiant energy
Predators
Which of the following is an example of a decomposer?
Lion
Oak tree
Bacteria
Eagle
Which of the following processes do decomposers NOT perform?
Internal digestion
Breaking down organic matter
Recycling nutrients
Decomposition
Luna and Arjun went on a field trip to a local park. They were asked to identify the two producers in the ecosystem they observed. What did they identify?
wildflowers and grass
a rabbit and a mouse
a hawk and a snake
they said there is only 1 producer - grass
The snake gets energy from which of the following organisms?
wildflowers and grass
a rabbit and a mouse
a hawk
