During photosynthesis, specific pigments absorb light energy, which is then used to fuel the building of sugar molecules. which colors correspond to the wavelengths of light that are strongly absorbed by each pigment? some pigments absorb more than one color of light strongly.

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

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.

Are gametes exactly the same? explain why or why not?