Which of the following statements is NOT
generally characteristic of parasites?
a. They are specialists and usually are able to
affect only one variety of hosts.
b. They inflict serious injury and kill their
hosts.
c. Some reside inside their hosts, whereas
others live outside their hosts.
d. Their host may be a plant as well as an
animal.
e. Plants as well as animals can be parasites
B
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Which part of the neuron is responsible for receiving information?
A. axon B. dendrite C. soma D. nucleus E. axon hillock
Adaptations for deep diving in cetaceans include all the following except:
a. large amount of hemoglobin. b. large amount of cholesterol. c. lowered sensitivity to lactic acid. d. high levels of myglobin. e. decreased metabolism.
Where in the cell does the Calvin cycle occur?
a. Mitochondria b. Ribosomes c. Nucleus d. Chloroplasts
Suppose a species of wild boar (a type of pig) is actively hunted when it is at a young age because at that stage of its development the meat of the boar is particularly tender. What is a likely outcome if this species is overharvested?
A) The wild boar population will dwindle because their food source will disappear due to habitat loss. B) The wild boar population will increase because older boars will continue to survive. C) The wild boar population will dwindle and potentially go extinct if not enough boars that can reproduce are left to mate. D) The wild boar population will increase because boundaries will help separate boars from humans.