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Science Explainer- Consume or be consumed: breaking down the structure of a food web

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Last updated 12 months ago
3 questions
Note from the author:
Read the passage Consume or be consumed: breaking down the structure of a food web. Then answer the questions below.
Read the passage Consume or be consumed: breaking down the structure of a food web. Then answer the questions below.
Required
1
Question 1
1.
Drag each answer choice into the correct space. Not all answer choices will be used.

The first trophic level of the food web has ______________ amount of biomass when compared to higher levels. However, this trophic level also has _____________ amount of toxic chemicals.
Other Answer Choices:
a lesser
the same
a greater
MS-LS2-3
Required
2
MS-LS2-3
Required
1
MS-LS2-3
Question 2
2.

Drag each organism into the correct box to show its trophic level.

  • rabbits
  • grass
  • crickets
  • foxes
Question 3
3.

Which statements are true about bioaccumulation? Select two correct answers.

algae
earthworms
Producers
Consumers
Detritivores
It involves the accumulation of biomass in the bodies of consumers in a food web.
It is a major problem in marine ecosystems as well as those on land.
It is caused by toxic chemicals such as pesticides and runoff from urban areas.
It mainly affects autotrophs and becomes less severe with each level in the food web.