Question

move the correct answers into the boxes provided. not all options will be used. claim: the early - stage embryos of dolphins and humans suggest a common ancestry. evidence: dolphin and human embryos have arm and leg buds. dolphin embryos lose their leg buds as they grow. dolphin embryos fuse their two nostrils to form a blowhole.

Explanation:

The presence of similar structures (arm and leg buds) in dolphin and human embryos is evidence for common ancestry. The loss of leg - buds in dolphin embryos and the formation of a blow - hole are not relevant to the claim about common ancestry based on early - stage embryo similarity.

Answer:

Dolphin and human embryos have arm and leg buds.