Which structure prevents food and liquids from being inhaled when a person swallows? a. the epithelium b. the epiglottis c. the larynx d. the glottis

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?