What do sea squirts and mussels have in common?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

If your blood becomes too concentrated with iona, what will happen to the red blood cells