Which of the following statements about renewable resources is true? a. they are only found in tropical climates. b. they can never be depleted. c. they are replaceable by natural means. d. they regenerate quickly.

What are the result of when individual components in an organism interact with others to create noval stucture and function called

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Match each term to its best definition? sedimentary depositional enviornment