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Unformatted text preview: copulation. When other males
d. Scramble competition
discover the pair, they attempt to push the
male away, usually unsuccessfully.
Tungara frogs males aggregate in ponds and vocalize as a chorus to attract females.
African cichlid fish males collect snail shells in a pile, and females lay their eggs inside these
shells for added protection during development.
A single hamadryas baboon male mates with all the females in his harem, and chases off males that
wander into his territory. For the following examples indicate whether the species being described is likely to have a) a socially
monogamous mating system, or b) a mating system other than social monogamy.
25. Tern chicks need rich food resources available far out at sea, but the risk of predation if they are left
unattended is extremely high.
Brush-turkey chicks are able to forage for themselves almost immediately after hatching.
A hornbill female is sealed into the nest cavity and cannot feed herself during the nesting period and
requires frequent meals from her mate or she and the chicks will starve.
The home range of a male vole is 10% the area of the average female’s home range. Using the figure below, match the conditions with the optimal acceptance threshold: Page 4 of 8 Introduction to Behavior BioNB 2210 26.
29. Exam 2, Oct. 29, 2012 Desirable and undesirable recipients are encountered at equal frequencies, and there is a high cost of
rejecting a desirable, but a low cost of accepting an undesirable.
Desirable and undesirable r...
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This note was uploaded on 01/13/2014 for the course BIONB 2210 taught by Professor Seeley during the Fall '10 term at Cornell.
- Fall '10