In studying transitions, why is it necessary to focus on the advantages to individuals before the transitions and not the group advantage?
What will be an ideal response?
ANS:
Natural selection operates on individuals. If there is not an advantage to the individual to join a group, natural selection will not favor group formation. Thus, even if the group has an advantage, the individual is more important before it joins the group.
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Dehydration reactions are involved in
A. the formation of polypeptides. B. the formation of polysaccharides. C. the formation of monosaccharides. D. the formation of nucleotides. E. the formation of polypeptides AND the formation of polysaccharides.
The volume of air normally breathed in and out of the lungs in a single breath at rest is referred to as the
A. total volume. B. expiratory reserve volume. C. reserve volume. D. tidal volume. E. inspiratory reserve volume.
A body plan with a pseudocoelom is indicated by
a. A. b. B. c. C. d. A and B. e. B and C.
Urine leaves our body through the urethra.
a. true b. false