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Biology 202 Exam2
Biology 202 Exam2
18
Biology
Undergraduate 2
04/26/2010

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Term
Asexual reproduction
Definition
-Parthenogenesis
-Apomixis
-Vegetative Cloning
Term
Gametic meiosis is the life cycle which is exhibited by virtually all
Definition
animals
Term
In what way are the three life cycles we studied all alike?
Definition
In all of them, there is an episode of meiosis followed, at some time, by the process of syngamy
Term
Postcopulatory Sexual Selection
Definition
-Postcop sexual selection occurs in species that exhibit internal fertalization
-Sperm competition is a form of postcop sexual selection
-Postcop sexual selection occurs in animals as well as in plants
Term
Coefficient of relatedness
Definition
Term
Coeficient of relatedness between a monkey and his grandchild
Definition
0.25
Term
In arctic terms, males court females by bringing them fish. After the chicks hatch, males continue to feed fish to the female and also feed the offspring. The courtship behavior displayed by males is an example of an "honest indicator" of
Definition
material benefits the males may provide to females and offspring
Term
According to Hamilton's rule, alleles associated with altruistic behavior will be favored by natural selection in all of the following cases except:
Definition
when the costs to the altruist are relatively high
Term
Intersexual selection
Definition
Term
Intrasexual selection
Definition
Term
In the life cycle known as "alternation of generation," or sporic meiosis, the gametes are produced by the gametophyte by the cellular process of
Definition
mitosis
Term
In the life cycle of the honeybee, the male bee (drone) produces gametes by the cellular process of
Definition
mitosis
Term
When gametes are of unequal size in sexual selection, this condition is known as
Definition
Term
Reciprocal altruism
Definition
the exchange of benefits between individuals separated in time, and requires individual recognition and repeated interactions
Term
the correct equation demonstrating Hamilton's rule is
Definition
BR>C
Term
Species that exhibit helping behavior and that also include anatomically specialized, non-reproductive castes are known as
Definition
Term
The system of sex determination in honeybees is call the __________ system of sex determination
Definition
Haplodiploidy
Term
Differences in some trait among males and females of the same species is known as
Definition
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