Which best describes the theory of evolution?

A. a theory supported by evidence

B. an educated guess

C. a hunch made by scientists

D. a hypothesis with no evidence

Which of these is a process in which the atmosphere interacts with the cryosphere? formation of snow shifting of Earth plates erosion of soil by water mixing of sand and water

The bacterium Vibrio cholerae is harmless unless a lysogenic bacteriophage provides the gene coding for the cholera toxin, which converts the bacterium to the virulent form that causes cholera.

True or False: Organisms grouped into the same kingdom have more similarities with one another than with organisms in other kingdoms

In order for the results of the experiment to be valid which of the following factors must be held constant for all trails

Which of the following best describes how taxonomy changed the way organisms were classified? Plants, animals, and bacteria were sorted into groups based on their ability to interbreed.

An allele that masks another allele is known as

Is there penicillin in acyclovir

Noah wants to show the largest source of carbon on Earth for his school project. According to his research, in which form is most of the carbon on Earth stored?

True or false: most drugs are eliminated by the kidneys in urine although some are excreted in saliva, sweat, or exhalation. a. True b. False

Do all adaptations result in a change in population? Explain