The term referring to the rate at which organisms produce offspring is:
a. doubling time.
b. natality.
c. emigration.
d. stasis.
e. survivorship.
B
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By definition, a nerve is
1.a bundle of axons. 2.a single extension of a neuron. 3.the same as a neuron within the central nervous system. 4.a dendrite. 5.a fiber more than 10 inches in length.
Choose the one most appropriate answer for each.
A. hominins B. Neanderthals C. primates D. anthropoids E. Strepsirrhini F. australopith G. hominoids
In which of these groups does it appear that the cuticle evolved?
A. Bryophytes B. Green plants C. Green algae D. Land plants E. Streptophytes
Which of the following statements is true?
(a) Peptide bonds are the only covalent bonds that can link together two amino acids in proteins. (b) The polypeptide backbone is free to rotate about each peptide bond. (c) Nonpolar amino acids tend to be found in the interior of proteins. (d) The sequence of the atoms in the polypeptide backbone varies between different proteins.