Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.
% babies born at different weights
-% babies born in that
category
4158-08
016-06
itt
10.0 10.5 1b
$3.5lb
4.0-4.5
5.0-5.5
6.0 6.5
7.0-7.51
which statement is a valid claim that could be made using the data in the graph?
directional selection is occurring because the graph favors an extreme.
stabilizinc calentine
in favad
mark this and retum
save and fyit

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 animal is a producer in this ecosystem

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?