The chief difference between primary and secondary succession is that:

DNA can be found in what organelles

Are there different types of swans

Explain the role that stress can play on the development of disease. Describe at least three strategies or interventions a person could employ to control stress

Apocrine glands, which begin to function at puberty under hormonal influence, seem not to be useful in thermoregulation. Where would we find these glands in the human body?

Who is a person who has one recessive allele for a trait and one dominant allele for the same trait?

Which is not part of the circulatory system A. heart B. air passageway C. blood D. blood vessels

Briefly explain the four steps of respiration (of the human body).

Researchers are studying the way plants move in response to stimuli. Which scenario could be used to test phototropism? A) Two sets of plants could be placed in a dark room and the growth monitored.

Parkinson's disease and Huntington's disease are both extrapyramidal motor disorders. Describe what we know about each disorder (i. e., symptoms, causes, treatment). Explain how they are similar and how they are different.

Which of the following does eccentricity describe