Blue titmice eat caterpillars. the birds would like lots of caterpillars around when they have young to feed, but they breed earlier than peak caterpillar season. do the birds learn from one year's experience when they time breeding the next year

2. what process do mrna and trna work together to complete? (3 points)

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.

Why is it important to study each branch of earth science?