Which kind of tissue sends messages from the brain to the rest of the body?

A) epithelial

B) muscular

C) connective

D) nerve

Many functions in the body are controlled by special compounds. Which statements about these compounds do you think are true? Check all that apply

True or false: any trait that is controlled by genes can be acted on by natural selection. true or false: any trait that is controlled by genes can be acted on by natural selection. a. True b. False

Which of the following descriptions about the organization of an ecosystem is correct? A) Communities make up species, which make up populations. B) Populations make up species, which make up communities.

According to the standard model of the Sun, as the distance from the center increases

How and why are dichotomous keys are used

is the net movement of molecules or ions from a region of higher concentration to a region of lower concentration brought about by the energy of the molecules

Which is closer to the Earth? the Sun or the outer planets?

Which term means a red blood cell? Erythrocyte leukocyte microcyte phagocyte?

What is meant by the amino acid sequence of a protein?

What happens to the water that is left behind after evaporation?