Chemotaxis is a process by which bacteria select one: a. respond to the presence of autoinducer molecules. b. move toward an attractant or away from a repellent. c. move on solid surfaces by means of type iv fimbriae. d. avoid phagocytosis.

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?

Which of these definitions have been paired with the correct type of cell?

Si units are the modern form of the