Question

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Why is it helpful to study embryonic structures when determining
evolutionary relationships?

Select one:
All animals look the same as embryos.

All animals have completely different embryonic structures.

Embryos are not used to assign evolutionary relationships; only
adult organisms.

Animals with a shared ancestor may have similar characteristics
as embryos that disappear as adults.

Answer 1

Embryology is important to understanding a species' evolution, since some homologous structures can be seen only in embryo development. For example, all vertebrate embryos, from humans to chickens to fish, have a tail during early development, even if that tail does not appear in the fully developed organism.

Step-by-step explanation: