The respiratory system is responsible for the exchange of oxygen with what gas?

a) nitrogen

b) hydrogen

c) water vapor

d) carbon dioxide

Which of the following represents the correct format for the scientific name? a. staphylococcus aureusb. staphylococcus aureusc. staphylococcus aureusd. staphylococcus aureus

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.

Ture or false evidence for evolution includes millions of fossils