Sharks detect motion in the water or waves by their:a
lateral lines.
b. electroreceptors.
c. keen olfaction.
d. sight.
e. dorsal fin
a
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Even the replication of DNA and the expression of genes depend on the action of ____________________. Fill in the blank(s) with the appropriate word(s)
If a population of 1000 individuals has 160 aa genotypes, 320 Aa genotypes, and 520 AA genotypes,
the allele frequency of the dominant allele (A) is: a. 0.16 b. 0.42. c. 0.52. d. 0.68. e. 0.89.
An ecologist trying to determine the geographic range of a species of grasshopper is working at which level of ecological complexity?
What will be an ideal response?
Which of these is an example of maintaining a constant internal environment?
A. sweating in the sun B. running from a dog C. eating a sandwich D. laughing at a joke E. bleeding from a cut