Astudent encounters an animal embryo at the eight-cell stage. the four smaller cells that comprise one hemisphere of the embryo seem to be rotated 45 degrees and to lie in the grooves between larger, underlying cells (i. e., spiral cleavage). from this observation, the student concludes that this embryo may potentially develop into a(n)

Earthworm

Explanation:

This is a tubular segmented organism of the phylum annelida which are commonly found in the soil eating organic matter. It respirates through the skin and the digestive system runs through out it's length.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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