Most pollinator networks for which we have data are “nested.” Draw and describe how a nested plant-pollinator network looks like. Which may be the reason for nestedness to evolve?

What are two reasons for why a species might disappear from the fossil record?

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.