Why are endemic species particularly endangered by global climate change?
a. Endemic species occur predominantly in colder regions.
b. All endemic species have long generation times that make evolutionary adaptation to climate change prohibitively slow.
c. All endemic species are already stressed by other human impact.
d. Small and isolated geographic ranges make avoiding unfavorable climate conditions changing geographic distribution difficult.
e. C and D
D
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Rodents, marsupials, and nonhuman primates are all reservoirs for which Schistosoma species?
a. S. japonicum b. S. haematobium c. S. mansoni d. Schistosoma intercalatum
Kidney stones initially collect in the
a. renal pelvis. b. ureters. c. urethra. d. urinary bladder. e. glomerulus.
The constant state of contraction in a resting muscle is known as muscle ____________________. Fill in the blank(s) with the appropriate word(s)
Mutation and migration introduce new alleles into populations. What is the most likely principal force that will shift allelic frequencies within large populations?
What will be an ideal response?