A black bear population being fragmented into
separate smaller populations by a newly
constructed road and the smaller populations
prevented from interacting is an example of
a. behavioral isolation.
b. temporal isolation.
c. ecological isolation.
d. mechanical isolation.
e. genetic isolation
C
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Graft-versus-host disease is primarily a
A. type I reaction. B. type II reaction. C. type III reaction. D. type IV reaction. E. type V reaction.
Dendrochronology can be useful in determining:a
the dates of past earthquakes and volcanic eruptions. b. future climate patterns. c. the solution to global warming. d. how tree growth affects air pollution. e. the time of day.
Mutations can be good, bad or result in no change depending on:
a) The type of change. b) Where the change in DNA occurs. c) If the change is detected and fixed before replication. d) How it affects the organism and its survival. e) all of the above
One characteristic of animal development is the specialization in both structure and function that cells undergo. This is called
A) direct development. B) placental development. C) differentiation. D) indirect development. E) internal development.