Type II survivorship curves ____
a. are characteristic of humans and elephants
b. indicate a fairly constant rate of death at all ages
c. indicate a high mortality rate in the very young
d. are characteristic of species in which most individuals live a relatively long life and die of old age
e. are typical of species with high biotic potentials
ANSWER: b
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In ________ several ribosomes can simultaneously translate a single mRNA molecule in a complex called a(n) ________
A) prokaryotes / polysome B) eukaryotes / polysome C) prokaryotes / initiation complex D) eukaryotes / splicing complex
The sugars in DNA and RNA ____
a. have a different number of carbon atoms
b. have the same structural formulas c. are the two components of sucrose d. are monosaccharides e. are disaccharides
Which of the following is a gastropod?
a. clam. b. snail. c. squid. d. octopus.
In the Hardy-Weinberg equation, the term q2 refers to the frequency of:
a. the recessive allele at a given locus. b. the homozygous recessive genotype at a given locus. c. the recessive alleles in a given population. d. the heterozygotes in a population. e. the total alleles in a gene pool.