In what ways might food webs, food chains, and predator-prey relationships be different in a pond, an estuary, and the Gulf of Mexico? What happens when one piece is altered or removed?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

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.