Evolutionary Relationships

__________  is the study of embryos to see how their similarities and differences indicate an evolutionary relationship.

In stage one (top row) of these embryos, most of the embryos________

In stage 2 (middle row) fish embryos _________

In the third embryonic stage (bottom row), mammal embryos _____

The more similar the stages of embryonic development, the more likely that organisms share ____________

The structures shown are_________

According to this cladogram, sharks are MOST closely related to which organism? Amphibians, Ray finned fish, Crocodiles, Birds

All the animals to the right of the hagfish would have the common characteristic of -

Which trait(s) do conifers have? Options: vascular tissue only, vascular tissue and seeds, vascular tissue, seeds and flowers, seeds only