Communication signals are usually _____.
A. intraspecific
B. interspecific
C. not helpful to the receiver
D. visual
E. auditory
Answer: A
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Transmission genetics studies the pattern of ____________________ as traits are passed from generation to generation
Fill in the blank(s) with correct word
A deficiency in a plant micronutrient
A. is less serious than a deficiency in a macronutrient. B. makes that plant susceptible to herbivores. C. can have a severe effect on plant growth. D. results in no visible symptoms. E. has no impact on the agriculture of a region.
The parts of the brain where addiction arises are
A) the suprachiasmatic nuclei, the ventricles, and the cerebral cortex. B) the nucleus accumbens, the ventral tegmental area, and the prefrontal cortex. C) the frontal medulla, the cerebellum, and the hypothalamus. D) the presynaptic neuron, postsynaptic neuron, and synapse.
A collection of related hypotheses that have been shown to be true after extensive testing can be collectively called a ________.
Fill in the blank(s) with the appropriate word(s).