Science Explainer- Consume or be consumed: breaking down the structure of a food web
star
star
star
star
star
Last updated over 1 year 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
MS-LS2-3
Required
2
MS-LS2-3
Required
1
MS-LS2-3
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:
the same
a lesser
a greater
Question 2
2.
Question 3
3.
Drag each organism into the correct box to show category.
rabbits
crickets
earthworms
grass
algae
foxes
Producers
Consumers
Detritivores
Which statements are true about bioaccumulation? Select two correct answers.
It is a major problem in marine ecosystems as well as those on land.
It mainly affects autotrophs and becomes less severe with each level in the food web.
It involves the accumulation of biomass in the bodies of consumers in a food web.
It is caused by toxic chemicals such as pesticides and runoff from urban areas.
It has caused many species of plants to become endangered, threatening ecosystems.