In a year, a population of lions had four births, two deaths from disease, one natural death, five emigrations, and five immigrations. in the same year, a population of zebras had five births, three deaths, four emigrations, and one immigration. which best explains the data?
a. zebras and lions are both experiencing a negative population growth.
b. zebras and lions are both experiencing a positive population growth.
c. the zebras have a higher population growth than the lions have.
d. the zebras have a lower population growth than the lions have.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

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.