Winged arthropods rely solely on behavioral mechanisms for thermoregulation
Indicate whether the statement is true or false.
ANSWER: False - on both behavioral and physiological
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During prophase II,
a. a new bipolar spindle forms. b. crossing over occurs. c. chromosomes are single-stranded. d. the cell is diploid. e. the nuclear envelope re-forms.
Which concept(s) for identifying species CANNOT be applied to asexual or fossil species?
A. Biological species concept B. Phylogenetic species concept C. Morphospecies concept D. All of the above.
The influenza virus is typical of many animal viruses in that is has an envelope composed of lipids and glycoproteins. Which of the following statements about the envelope is ACCURATE?
A. The envelope is formed via the action of integrase. B. The envelope glycoproteins are encoded by genes found in the host genome. C. The envelope is inside the capsid. D. The envelope is obtained from the host cell upon entry into the cell. E. The envelope is obtained from the host cell when the virus buds from the plasma membrane.
Which of the following do not prevent predation?
1.countershading 2.transparent bodies 3.forming colonies 4.buoyancy