The ? era featured the longest periods with no life forms on Earth. A Palezoic
B. Precambrian
C. Cenozoic
D. Mesozoic

Which muscle is responsible for inhalation ?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.