Which one of the following best describes the characteristics of a community?
lives together and can breed with each other
performs complex activities within an organism
provides the surroundings in which an organism lives
Lives and interacts with one another in a particular environment

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit