Luis created a clay model of Earth. To show how Earth rotates, Luis wants to use a toothpick to represent Earth’s axis of rotation. Where should Luis place the toothpick?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?