Which are the mechanisms that prevent interbreeding between two different species whose ranges overlap?
a. allopatric isolating mechanisms
b. sympatric isolating mechanisms
c. equilibrium isolating mechanisms
d. preadaptive isolating mechanisms
e. reproductive isolating mechanisms
e
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Where in the brain is the corpus callosum?
a. between the cerebellum and the medulla oblongata b. below the cerebellum c. between the two hemispheres of the cerebrum d. between the pons and the midbrain e. between the thalamus and the hypothalamus
The hormone ADH causes the reabsorption of water in the kidney by increasing the number of aquaporin water
channels in the plasma membrane of the collecting ducts.
Indicate whether the statement is true or false.The contractile unit of a skeletal muscle fiber is a(n) ____
a. myofibril b. sarcomere c. myosin filament d. actin filament e. Z line
Genetically engineering bacteria may be used to break down pollutants in the environment in a process
known as a. bioremediation. b. replica plating. c. hybridization. d. transcription. e. polymorphism.