The best terms for a fish whose body temperature varied between 4oC during the day when it is in deep, cold ocean waters and 26oC during the night when it comes to the surface to feed would be
A. endothermic and homeothermic.
B. endothermic and heterothermic.
C. ectothermic and homeothermic.
D. ectothermic and heterothermic.
E. ectothermic and endothermic.
D. ectothermic and heterothermic.
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The genetic makeup of an organism is its
(a) phenotype. (b) genotype. (c) locus. (d) gamete.
Place the following events of fertilization in the correct chronological order.
(1) Sperm contacts the cumulus mass. (2) Proteolytic enzymes are released from the acrosome. (3) Sperm contacts the plasma membrane of the ovum. (4) Sperm passes through the zona pellucida. (5) Sperm increase ATP production. A. 5,1,2,4,3 B. 1,5,4,3,2 C. 1,2,4,3,5 D. 5,2,4,3,1 E. 3,5,2,1,4
Four of the five answers listed below are examples of prey defense. Select the exception
a. display behavior b. chemicals c. camouflage d. resource partitioning e. mimicry
What do you expect would develop if you injected Dnmt3 siRNA into honeybee larvae?
A. a female queen B. a male drone or a female worker C. a male drone D. a female worker E. a female worker or a queen