Which most likely represents the gas being released and the process used to make it? a) oxygen, respiration b) oxygen, photosynthesis c) carbon dioxide, respiration d) carbon dioxide, photosynthesis

Punctuated equilibrium verses gradualism have long been contested as ways in which species evolve. choose the best evidence for gradualism.

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

How many major plates cover the earth