The spikes on pollen grains probably (a) allow the pollen grain to stick to insects.

(b) allow the pollen grain to fly through the air.

(c) protect the pollen grain from being eaten.

(d) allow insects to stick to the pollen grain.

What maintain homeostasis when a persons internal body temperature is 97.5°f

What makes a dominant allele different from a recessive allele

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.