Question

what is a similarity between a fish embryo and human embryo in the late stages of development
they both have gills
they both have spines
they both have tails
they both have arms

Answer 1

I'm pretty sure that its: They both have spines

Answer 2

In the late stages of development, both fish embryos and human embryos exhibit similarities such as having **gills**. This is due to the fact that during early stages of development, both types of embryos exhibit structures that are homologous to gill structures, reflecting their shared evolutionary ancestry.

While they do share features like a spine and a tail, the presence of gill structures is a notable similarity in the context of embryonic development. Human embryos do not have fully formed gills like fish, but they do develop pharyngeal arches, which are precursors to gills. Over time, these structures evolve differently in humans and fish.

So, the correct answer in this context is: **they both have gills** (in a developmental sense).