2. Which of the following best characterizes natural selection?
a. survival of the biggest and strongest organism in a population
b. elimination of the smallest organism by the biggest organism
c. survival and reproduction of the organism that occupies the largest area
d. survival and reproduction of the organisms that are genetically best adapted to the environment.

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?