Rarely, a chromosome’s structure becomes altered
when part of it undergoes __________, __________,
__________, or __________. Fill in the blank(s) with the appropriate word(s).
Answer: duplication, deletion, inversion or translocation
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The first step of the scientific method is to
(a) ask a question. (b) construct a hypothesis. (c) observe carefully. (d) formulate a prediction.
The antigen that induces an antibody or TCR is called the
A) homologous antigen. B) heterologous antigen. C) cross-reactive antigen. D) immunogenic antigen.
A Type ________ functional response occurs when the rate at which prey are consumed is low at first, increases, and then decreases in an S-shaped fashion as the rate of predation approaches the maximum value
Fill in the blank(s) with correct word
Which of the following is a case of altruism?
A. A plant releases allelopathic chemicals, harming its competitors and itself. B. A prairie dog gives up a foraging opportunity to keep watch for predators. C. A shrimp digs a burrow that it shares with a goby that keeps watch for predators. D. A baby bird aggressively begs, resulting in less food available to its siblings. E. Individuals in a flock of birds are less susceptible to predators than individuals alone.