What word refers to the fatty blood-forming tissue in the cavities of long bones?

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.

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

What is true of sea slugs in these orders