Where does the primary source of energy needed for life come from?

1) solar energy

2) geothermal energy

3) nuclear energy

4) kinetic energy

All of the following adaptations could lead an organism to be successful except A. a fox in northern Canada grows white fur. B. a butterfly develops coloring that enables it to camouflage itself in its environment. C.

Mitochondria are important organelles within a cell. what would most likely happen if a cells mitochondria were not functioning properly?

Andrew loves to go camping and hiking in the fall. about two weeks after his last camping trip, he noticed an expanding red rash on his arm. in order to have avoided coming in contact with the organism that caused this illness, andrew should have

Humans have used food to processing to preserve the length of time that food can be eaten. Chemicals are added to the food to reduce bacterial growth, produce less toxins, and improve taste. Which best describes the advantages of food processing?

Which features identify this plant cell as eukaryotic?

Once you have the Refractive Index of a glass sample, what do you do with it? Combine the elemental values of glass to find the refractive index. Calculate the molecular weight using the periodic table. Look it up in an encyclopedia.

Chromosomes move to the middle of the cell during what phase

DNA replication is an important part of cellular division because correct replication A) ensures that identical and complete genetic information is passed to both daughter cells.

The movement of Amino Acids from area of Low concentration to High concentration (away from equilibrium) is

Select the correct answer, in Watson's Little Albert Experiment, what does the loud metal clanging noise represent? A. a neutral stimulus B. an unconditioned stimulus C. an unconditioned response D. a conditioned stimulus E. a conditioned response