Which statement best contrasts pioneer species and climax communities?

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Which term describes a normal value for something in the body? a. homeostasis b. set point c. feedback loop d. integration center

What does it mean for an allele to be dominant?