The bacterial species staphylococus aureus is found on the skin and in the nasal passages of about 20% of the human population. in healthy individuals, s. aureus is benign (does not cause harm) in these locations. however, if it is introduced into the bloodstream through, for example, a wound, it can make a person gravely ill. thus, the ecological relationship of s. aureus with a human:
a. is always mutualistic.
b. is always antagonistic.
c. can be mutualistic or antagonistic.
d. is fixed or unchanging.
e. is benign.

2. if someone had the list of traits you provided in question 1, do you think he or she would be able to find you in a group of 1000 people? why or why not? if not, what other information encoded in your genes might distinguish you from the others in the group? what are other traits that are encoded for by dna?

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.