Biology, 25.01.2021 19:10 zairaefh6496
Where are the major endocrine glands located?
A) In the head, shoulders, knees, and toes
B) In the abdomen, joints, brain, and spinal column
C) In the brain, neck, abdomen, and groin
D) In the gall bladder, appendix, tonsils, and spleen
Answers: 3
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How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
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Where are the major endocrine glands located?
A) In the head, shoulders, knees, and toes
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