los peces, ballenas, delfines pertenecen a este grupo a) zooplancton b) necton c) neuston d) copépodos​

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter

The term life cycle includes the entire process of: adults defending their young providing a conducive environment adults producing gametes fertilization the growth of the offspring to adulthood