A general cohort would be assembled to study which of the following? Group of answer choices a. Use of oral contraceptives b. Medical procedures c. Unusual diets and lifestyles d. Health effects of rare exposures

The use of logic making empirical observations and performing dissections were all part of the scientific studies by

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

Contrast how pollination is different among gymnosperms and angiosperms.