In 1938, scientists found a population of coelacanths in the Indian Ocean. This fish species is considered a "living fossil" and appears not to have changed morphologically for 80 million years. This discovery supports the ________ model of evolution.
A. punctuated equilibrium
B. gradualism
C. common descent
D. adaptation
E. natural selection
Answer: A
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If offspring exhibit a 9:3:3:1 phenotypic ratio, what are the genotypes of the parental (p) generation? _______________
Fill in the blank(s) with the appropriate word(s).
Several lines of research provide strong evidence that ____ to environmental signals influence behavior
a. epigenetic responses b. epigenetic feedback c. base analog reconstruction due d. base analog reactions e. base analog responses
Which of the following statements accurately describes the following reaction?
a. enzymatic digestion of carbohydrates in the mouth by enzymes secreted by the salivary glands
b. enzymatic digestion of proteins in the stomach by enzymes secreted by the pancreas
c. enzymatic digestion of lipids in the stomach by enzymes secreted by the liver
d. enzymatic digestion of proteins in the small intestine by enzymes secreted by the pancreas
e. enzymatic digestion of lipids in the small intestine by enzymes secreted by the pancreas
Halophiles grow equally well in the presence or absence of high salt concentrations
Indicate whether the statement is true or false