Earth science

the five boxes below represent a geologic cross-cut with five layers (a is on top and e is on the bottom). the types of rocks are listed on the right side. in each box, write the appropriate type of rock and explain the answer in relation to the history of the earth’s atmosphere.

a

b

c

d

e

chert layers

red beds

metamorphic rocks with fine grains

banded-iron formations

limestone layers

One of the reasons that stars are so large is because

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

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.