Which of these statements is true about adaptive evolution?

a) adaptive evolution is a permanent change in a trait.
b) adaptive evolution is a temporary change in a trait.
c) adaptive evolution is a fluctuating change in a trait.

need answer sap

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

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.

What is the next step in muscle contraction after the actin changes shape? (apex)