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Many invertebrates die during the earlier stages of life because _____.
they are a major part of a food chain
they do not have a backbone
they have a backbone
they cannot sense danger

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fir8951
They are a major part of the food chain

gradman555p98x9p

The right answer is they are a major part of a food chain

An invertebrate is an animal that has no verbal spine or other internal bones. Insects, spiders, molluscs and crustaceans belong to this group. Their lifestyle, diet and habitat are very diverse. They live on land, in the sea or in fresh water. Some fly like insects. They are the prey of the upper trophic level.

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