The process by which the organisms that are better adapted to the environment survive and reproduce is called a. variation b. extinction c. natural selection d. evolution

Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet

Which force diagram accurately represents a satellite in orbit around earth? image for option 1 image for option 2 image for option 3 image for option 4

Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?