Whatever the motivation of self-sacrificing behavior
on the part of nonhuman animals is, we have no
evidence that it is
a. genetic.
b. the result of selection.
c. derived from conscious reasoning.
d. a result of dominance hierarchy.
e. related to species-survival strategies.
Answer: c
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What characteristic of a species refers to having two of each type of chromosome?
a. autosomal b. karyotype c. diploid d. base-paired e. helical
When glycolysis occurs,
A.) a molecule of glucose is split. B.) a molecule of glucose is formed. C.) photosynthesis begins. D.) pyruvates are combined.
The water current in the body of a cephalopod mollusk provides
a. Oxygen for respiration b. Jet power for rapid locomotion c. A means of carrying wastes and gametes out of the body d. All of the choices are cephalopod uses for their body water currents e. None of the choices are correct
Which of the following is a cell type associated with sexual reproduction in fungi?
A) sporangiospore B) dikaryon C) haustoria D) pneumocyst E) mycorrhiza