Diffusion is a type of passive transport. Which of the following are also considered characteristics of diffusion? Select all that apply WILL REWARD AND BRAINLIEST

a. Helps oxygen cross the cell membrane easily

b. Moves against the concentration gradient

c. Works from a region of higher concentration to one of lower concentration

d. Does not require energy

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.

What will happen if two of the base pairs of the stand of the dna are switched