WILL GIVE BRAINLIEST!! Which of the following best describes the changes that take place in an ecosystem during primary succession?

A. Lichens and mosses grow slowly on newly formed land, followed by grasses, shrubs, and trees.
B. Shrubs and trees regrow quickly in areas that have been disturbed by a forest fire.
C. Organisms compete for resources, and those that are best fit to survive establish themselves as the dominant species.
D. Natural disasters cause many populations to migrate to a new location in order to survive.

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.

Which food could be transported in a galvanized metal container?

Explain why biological control methods are generally environmentally superior to chemical pest control methods.