How many microhabitats does a redwood provide for other organisms?
a. None, but it has its own microhabitat with specific resource requirements.
b. None, but many different organisms share its habitat.
c. A few, because other organisms live on trees.
d. Many, redwoods create a variety of microhabitats because of their large size.
D
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Several genetic disorders, including Fanconi anemia and ataxia telangiectasia, are caused by mutations in ____
a. the cell wall b. mitochondrial DNA c. ribosome structure d. DNA repair genes e. DNA polymerase genes
The "total amount of money" earned by a business is to "money earned by regular sales" plus the "extra money earned through increased customers when a business voluntarily performs a community service" as:
a) direct fitness is to the sum of indirect fitness and kin selection. b) alarm calls are to the sum of personal alarm calls and community alarm calls. c) total selection is to the sum of kin selection and reciprocal altruism. d) kindness towards individuals is to the sum of kin selection and indirect fitness. e) inclusive fitness is to the sum of direct and indirect fitness.
Genetic diversity can result when alleles are transferred from one population into another. What is the transfer of alleles from one population to another called?
A) gene flow B) replication C) mutation D) evolution
China’s draconian population control policies have
resulted in a(n) a. sharp decrease in its total fertility rate. b. shift in its gender ratio. c. increase in the abortion of female fetuses. d. ratio of 1.19 males for every female. e. all of these.