The Earth is about years old, and life has existed on Earth for about years.

When does dna replication(make a copy of itself)?

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

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.