Which of the following statements is false?
A. Endotherms regulate their body
temperature, whereas ectotherms do not.
B. Endotherms can be active over a broader
range of external temperatures than
endotherms.
C. Endotherms must eat more frequently than
ectotherms.
D. Endotherms can be active for longer
periods than ectotherms.
E. Ectotherms can have higher core body
temperatures than endotherms depending on
environmental conditions.
A
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Match the following items with the correct phrases.
_______1. A decreased number of white blood cells in the peripheral bloodstream. _______2. Increase in the diameter of blood vessels; an initial event in inflammation. _______3. An increased number of white blood cells in the peripheral bloodstream. _______4. Considered to be the first phase of phagocytosis; the means by which phagocytic cells are attracted to sites where they are needed. a. chemotaxis b. leukocidin c. leukocytosis d. leukopenia e. vasodilation
Allelopathy is
A. an obligate mutualism between a plant and its pollinator. B. an example of asymmetric competition between plant species. C. the transmission of viruses from ticks to their primary hosts. D. the movement of genes from one species to another.
________ is the process by which close ecological interactions cause two species to evolve jointly
a. Coevolution b. Adaptive radiation c. Exaptation d. Extinction
________ neurons transmit information about stimuli, in the form of electrical impulses, to integration centers
Fill in the blank(s) with correct word