Building roads, parking lots, buildings and bridges all contribute to:
a. biotic pollution.
b. commercial harvest.
c. habitat destruction.
d. ex situ conservation.
e. restoration ecology.
C
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In a population of Mendel's garden peas, the frequency of the A allele (p) is 30% and the frequency of the a allele (q) is 70%. Of 100 plants, 28 are AA, 4 are Aa, and 68 are aa. Is the population in Hardy-Weinberg equilibrium? How can you tell?
What will be an ideal response?
Morpholinos are
A) short DNA sequences found only in populations that trace their roots to Italy. B) short synthetic molecules similar to DNA that are complementary to splice-site mutations. C) types of DNA microarrays used to study gene expression. D) a type of recombinant bacteria.
Plants became erect, taller, and branched as a result
of their ability to produce a. cutin. b. lignin. c. cellulose. d. complex carbohydrates. e. suberin.
An owl and a hawk both eat mice. Which of these terms describes the relationship between a hawk and an owl?
A) predation B) competition C) parasitism D) herbivory E) mutualism