Underground mammals, such as the ancestors of moles, are thought to have first evolved as the dinosaurs died out.

Which effect of an environmental change does this best illustrate?

A. migration

B. loss of habitat

C. change in behavior

D. speciation

How does earth's rotation affect life on earth?

On a scavenger hunt, you travel 3 blocks West, 2 blocks North, 4 blocks East, and finally, 2 blocks South. How far are you away and in what direction are you from your starting position? A. 1 block West. B. 1 block East. C. 11 blocks Southwest. D.

What is the biggest single factor in environmental science today? A pollution B rapid human population growth C urbanization D global warming

Are girls born with the pregnancy hormone?

How are the different temperature zones formed on earth?

Most neurons in the brain are A) bipolar B) unipolar C) anaxonic. D) multipolar E) tripolar

How do symbiosis work with carrion Lilly how did it co evolve to be that way

At metaphase I, homologous chromosomes are connected only at what structures? chiasmata recombination nodules microtubules kinetochores

A red flower (RR) and a red flower (Rr) have the same: A. genotype B. haplotype C. Phenotype

The parents of a 2-year-old arrive at the hospital to visit their child. the child is in the play room and ignores the parents during the visit. the nurse tells the parents that this behavior in a 2-year-old child indicates which?