Darwin collected an studied many specimens to understand natural selection on the galapagos islands. which organisms did he study while he was there

Why do you sandy beaches form at many sea shores

Study the image of this rock. which characteristic best supports its formation from sedimentary processes? it has many layers. it is coarse-grained. its grain shape is round. its texture is non-banded.

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot. active transport involves transport proteins, and facilitated diffusion does not. facilitated diffusion involves transport proteins, and active transport does not. active transport requires the expenditure of cellular energy, and facilitated diffusion does not.