Tiny sacs in the lungs where oxygen exchange takes place. fundamental working unit of the nervous system. sometimes called the master gland.

Given that acne relates to "oils" on marcus' skin, what accessory skin part do you think is most directly related to acne?

If mean global temperature keeps on increasing, which type of species will most likely go extinct? Generalist or specialist?

What is necessary to a skeleton: anatomy death bones skull

What are the moral implications of bringing extinct species back to life?

Mei Ling needs to determine if a plant given to her in biology class should be classified as nonvascular or vascular. She is not allowed to cut the plant apart; she must make her classification based on observation only.

What is a likely advantage of having a multicellular body that consists of fine filaments (hyphae) ?

Roger sperry conducted important research in what field of study?

A molecule of bacterial DNA introduced into a yeast cell is imported into the nucleus but fails to replicate with the yeast DNA.

Which principle states: "Geologic processes taking place on Earth today operated similarly in the past and can be used to explain past geologic events"? lateral continuity Steno's principle faunal succession uniformitarianism

Over 100 years ago, microbiologist Paul Ehrlich talked about his concept of the ideal antibiotic as a "magic bullet" that could kill harmful bacteria but have minimal side effects for the infected person. How do antibiotics accomplish this goal?