What are the reactants of photosynthesis ? Water & 02
CO2 and Sunlight
02, sunlight & H20
Water & CO2

What is an animal that lives by preying on other animals

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.

In which of the following relationships is one organism always benefited while the other organism is always harmed