Name the part of the brain labeled e

Which statement about the cell membrane is true? 1-It contains cellulose and sugars that are involved in communication. 2-It is present in animal cells only. 3-It is rigid and elastic for supporting the cell's shape.

Give an example of a biological mutagen

Which macromolecule is the primary energy source for organisms? Question 2 options: A) Sunlight B) Protein C) Fat D) Carbohydrate E) Nucleic acid

What pattern of variation did Darwin observe among rheas, ostriches, and emus

Position of earth moon and sun during each type of eclipse?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.