The similarity of the embryos of fish, frogs, birds, and humans is evidence of ________
A) analogy
B) common ancestry
C) genetic drift
D) decreased genetic variation
B
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The characterization of whole genomes, including their structures (sequences), functions, and evolution is called ____
a. genetic engineering b. genomics c. bioinformatics d. biotechnology e. genetic engineering
Populations rarely reach their biotic potential because ________
a. species cannot breed quickly enough b. the death rate always exceeds the birth rate c. there are limiting factors on population growth d. all of the choices
Structures located at the ends of eukaryotic chromosomes are called ________
A) telomerases B) recessive mutations C) telomeres D) centromeres E) permissive mutations
Which of the following is true regarding quadrats?
a. A full population count is usually impractical. b. Quadrats are plots of land of the same size and shape that can be used to randomly count a single non-migrating species. c. Once several quadrats are counted, an estimate of number of a particular organism can be extrapolated for a given land mass. d. Sampling error is common if the size of the quadrats is not large. e. All of these are correct.