Communication between animals is
A. usually primarily instinctive.
B. common between different species.
C. primarily a learned activity.
D. rare.
A. usually primarily instinctive.
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Acquired immune tolerance is the body's ability to produce T cells and antibodies against antigens such as microbial antigens, while "tolerating" ________.
Fill in the blank(s) with the appropriate word(s).
Missense, nonsense, and silent mutations are all caused by single base changes in the coding region of a gene. How
are these three types of mutations different?
What will be an ideal response?Which of the following does not belong in the
clade of class Reptilia? a. turtle b. snakes c. birds d. lizards e. all of these belong
Which system involves plasma proteins
activated when an organism's pattern receptors become bound to anything? a. cytokine b. complement c. suppressor d. enhancer e. coagulation