Based on the principle of species individuality, how would you predict that climate change would affect the geographical range of species within a community?
A. Each species would shift its range in a unique manner, according to its physiological needs.
B. All species in the community would migrate together as a "superorganism", because all species are connected.
C. Assemblages of species would migrate together in predictable groups.
D. Only the competitively dominant species would shift their ranges; less competitive species cannot adapt to climate changes.
A. Each species would shift its range in a unique manner, according to its physiological needs.
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Functional secondary xylem that conducts water and dissolved minerals is known as:
a. softwood. b. springwood. c. hardwood. d. sapwood. e. heartwood
What form of coloration is shown by many seahorses?
A. Batesian B. aposematic C. Müllerian D. camouflage
Which of the four postulates of Darwin's theory of evolution was not well established when On the Origin of Species was first published but is overwhelmingly supported today?
A) Individuals with advantageous traits survive longest and have the most offspring. B) Individuals in a population differ physically from one another in many ways. C) Some individuals in a population survive and reproduce better than do other individuals. D) Some differences among individuals in a population are due to genetics and are heritable.
Hemolytic disease of the newborn can result from an
A) Rh+ mother with an Rh- fetus. B) Rh- mother with an Rh+ fetus. C) AB mother with a B fetus. D) AB mother with an O fetus. E) Rh- mother and an A fetus.