If light rays are not focused evenly on the retina, a fuzzy image is formed. This condition is called
A. astigmatism.
B. nearsightedness.
C. farsightedness.
D. cataracts.
E. conduction deafness.
Answer: A
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What will be an ideal response?
Hyperosmotic body fluids
What will be an ideal response?
Edge effects are the result of which of the following?
A. Populations of flora and fauna have emigrated from the core of their population center to the edge of their habitat. B. Populations of particular species have decreased and are on the edge of extinction. C. Habitat fragmentation or habitat shrinkage has occurred, and thus the edge of the habitat has increased in relative proportion. D. Habitat fragmentation or habitat shrinkage has occurred, and thus the edge of the habitat has decreased in relative proportion. E. Metapopulations of some of the larger fauna have become more dominant on the landscape and as a result have increased the edge of their habitat.
If you have two alleles for the gene Z and the allele frequency of Z is 80% then the allele frequency of z must be ______________.
a. 0% b. 20% c. 80% d. 100%