Achange occurs in an environment that lasts for three days and causes an immediate, dramatic impact. what can be known about this change ?

a. it is a short-term change.

b. it is a long-term change.

c. it is a flood.

d. it is an ice age

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

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.