What happened at the end of the most recent ice age? A. Land bridges became exposed.
B. Sea levels rose over 300 feet.
C. A mass extinction occurred.
D. The Cenozoic era began.

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

Talking listening and reacting non verbally are all part of communicating

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material