New species develop when??? Please help!

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.

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?