Which organism has a central brain 1 hydra
2 sponge
3 flatworm
4 fish
ASAAA

What advantages does a pedigree have over a written passage?

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.

What is it called when lava when it erupts from the surface through volcanoes.