Echinoderms are most closely related to chordates because both are: <span>D)Ectotherms</span>
The answer is <span>c. mutualism.
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<span>Mutualism is a relationship between two
different species in which both species have benefits. In this example, ants benefit because they feed on aphids' wastes while aphids benefit because ants provide them protection.
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<span>Commensalism is a relationship between two
species in which only one of them has benefit, and the other one is not
affected. Parasitism is a relationship between two species in which only
one of them has benefit, and the other one is harmed.</span><span>
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After the first stage there is 2 haploid cells then after the second stage there is another 2 haploid cells produced so four haploid cells I guess
D) thr cell will become cancerous
