A defining characteristic of allopatric speciation is
A) the appearance of new species in the midst of old ones.
B) asexually reproducing populations.
C) geographic isolation.
D) artificial selection.
E) large populations.
Answer: C) geographic isolation.
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Endospores are involved in bacterial reproduction
Indicate whether this statement is true or false.
Which of the following statements is FALSE?
a. Heat loss represents a one-way loss of energy from an ecosystem. b. Organisms in the food chain can use all the energy contained in the food that they eat. c. In some ecosystems, the majority of the energy stored in plants does not become available until the plants die. d. Heat and energy are lost by each organism in the ecosystem. e. The two food webs are classified as grazing and detrital.
What is the tidal volume + inspiratory reserve volume + expiratory reserve volume + residual volume called?
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