What is happening to the carbon in the air around living things on the mountain? is carbon moving into the air, moving out of the air, or both?
a. carbon is only moving into the air; its not moving out of the air
b. carbon is moving into the air AND out of the air at the same time
c. carbon is not moving into the air; its only moving out of the air
d. with this information, there is no way to know for sure.

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz