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How are nutrients returned to the soil?
Bacteria break down dead plants and animals and return the nutrients to the soil.
10 units
Organisms have a choice of what to eat.
bee
Water cycles through ecosystems in a continuous cycle. Energy flows in one direction.
Detritivores get their energy by eating the remains of other organisms.
aluminum
carnivore
What is one reason that a food web might be a better description of an ecosystem than a food chain?
Bacteria break down dead plants and animals and return the nutrients to the soil.
10 units
Organisms have a choice of what to eat.
bee
Water cycles through ecosystems in a continuous cycle. Energy flows in one direction.
Detritivores get their energy by eating the remains of other organisms.
aluminum
carnivore
How does the movement of water in ecosystems differ from the movement of energy?
Bacteria break down dead plants and animals and return the nutrients to the soil.
10 units
Organisms have a choice of what to eat.
bee
Water cycles through ecosystems in a continuous cycle. Energy flows in one direction.
Detritivores get their energy by eating the remains of other organisms.
aluminum
carnivore
Which of the following does NOT move continuously through ecosystems?
Bacteria break down dead plants and animals and return the nutrients to the soil.
10 units
Organisms have a choice of what to eat.
bee
Water cycles through ecosystems in a continuous cycle. Energy flows in one direction.
Detritivores get their energy by eating the remains of other organisms.
aluminum
carnivore
Which of the following is a living thing?
Bacteria break down dead plants and animals and return the nutrients to the soil.
10 units
Organisms have a choice of what to eat.
bee
Water cycles through ecosystems in a continuous cycle. Energy flows in one direction.
Detritivores get their energy by eating the remains of other organisms.
aluminum
carnivore
If the first trophic level in an energy pyramid receives 1,000 units of energy from the Sun, how much energy is available for the third trophic level?
Bacteria break down dead plants and animals and return the nutrients to the soil.
10 units
Organisms have a choice of what to eat.
bee
Water cycles through ecosystems in a continuous cycle. Energy flows in one direction.
Detritivores get their energy by eating the remains of other organisms.
aluminum
carnivore
How do detritivores get their energy?
Bacteria break down dead plants and animals and return the nutrients to the soil.
10 units
Organisms have a choice of what to eat.
bee
Water cycles through ecosystems in a continuous cycle. Energy flows in one direction.
Detritivores get their energy by eating the remains of other organisms.
aluminum
carnivore
Which of the following eats animals?
Bacteria break down dead plants and animals and return the nutrients to the soil.
10 units
Organisms have a choice of what to eat.
bee
Water cycles through ecosystems in a continuous cycle. Energy flows in one direction.
Detritivores get their energy by eating the remains of other organisms.
aluminum
carnivore
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