__________ relay signals between neurons. Fill in the blank(s) with the appropriate word(s)
Interneurons
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When we say "populations evolve, not individuals," what does this mean?
A. Evolution does not happen. B. Individuals cannot change, but genotype frequencies in a population can change. C. Evolution is the same thing as change in genetic makeup in a population over time. D. Only alleles change over time, not genotype frequencies. E. Only genotype frequencies change over time, not alleles.
In the human male and female reproductive systems, each system contains paired primary sex organs called _____, which contain _____ cells that give rise to gametes.
A. testes; sperm B. gonads; germ C. ovaries; egg D. bulbourethral glands; germ E. All of the answer choices are correct.
Auxin concentration gradients
a. appear once germination begins. b. promote the transcription of an enzyme that breaks down cytokinin. c. allow formation of plant parts in expected patterns. d. help young cells elongate so that shoots and roots lengthen. e. are described by all of these EXCEPT "appear once germination begins."
About 7% of the plasma is made up of ________, which help balance water flow between the blood and the tissues
Fill in the blank(s) with correct word