Scientist believe plants evolved directly from

A. animals

B. mosses

C. bacteria

D. green algae

Alleles for other genetic diseases also provide protection against malaria when only one copy of the allele is present. In what cell type would you expect these genes to be active

Which of the following are not extremophiles? a. pompeii worms, b. bacteria in boiling hot springs, c. fish living in open ocean, d. fish living in water below freezing

Is glycogen a protein based

What does respiration mean? in biology?

A mutation results in the production of much less dna ligase than normal. what would be a likely consequence?

Ground squirrels are found in many areas of the United States. They live in underground burrows and are often attacked by birds of prey, coyotes, and boBCats. Which of the following is a limiting factor for a ground squirrel population?

10. Which of the following is an emerging dis- ease that was unknown 50 years ago? a. malaria b. dengue fever C. Lyme disease d. schistosomiasis

You eat a large meal and then hike up a hill. What kind of energy transformation is your body performing? A. Chemical energy to kinetic energy and nuclear energy B. Potential energy to sound energy and nuclear energy C.

Which nervous systems balance each other to provide homeostasis?

The modern classification system is based on A - putting organisms into categories based on where they live. B - putting organisms into categories based on how they reproduce. C - putting organisms into categories based on similar characteristics.