What is a gamete? Choose all that apply. a cell with only 23 chromosomes in humans
an egg cell
a reproductive cell
a sperm cell

What does all of the organ system in a human form

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.