Organisms belonging to different species cannot interbreed because of differences in courtship behavior incompatible copulatory organs incompatible gametes difference in estrus cycle
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- In the fish called the peacock wrasse (Symphodus tinca),females disperse some of their eggs widely and lay othereggs in a nest. Only the latter receive parental care. Explainthe trade-offs in reproduction that this behavior illustrates.Per several primatological studies, the reason behind infanticide appears to be: aSuper aggression in males bIt is caused by pathological behavior cIt helps improve reproductive fitness dPost-partum depression in femalesThornhill’sresearch on mate selection among scorpionflies (Panorpa latipennis) indicatesthat male ____________ translates into successful mating opportunities.a.body sizeb.aggressivenessc.nuptial offeringd.both body size and aggressivenesse.both body size, aggressiveness, and nuptial offering
- Which mating strategy (residence pattern) do only orangutans and some strepsirhines use? aPolyandrous bSolitary cPolygynous dMulti-mail, multi-femaleWhat is the proximate cause of male deer fighting over females?a. to determine their supremacy over other malesb. to injure other males so that these other males cannot mate withfemalesc. to maximize the number of genes they pass ond. because changes in day length stimulate this behaviore. because fighting helps rid the herd of weaker individualsCuckoo bird lays eggs in the nest of crowWhich type of interaction is shown in this relation?
- Determine whether the reproductive behavior is evolutionary stable or unstable: Cowbirds are nest parasites. The females sneak into other birds' nests and lay their eggs, often removing the host bird's eggs. The cowbird eggs tend to match those of the host's eggs, and often the host does not detect that the cowbird's eggs have replaced their own. The host birds raise the cowbird chicks to maturity.Male silk moths are attracted to females by a sex attractant releasedby the female moth. a. chemical communicationb. auditory communicationc. visual communicationd. tactile communicationWhen animals engage in , they oftenperform displays that make them look as large anddangerous as possible.a. courtshipb. altruismc. kin selectiond. aggression
- In all eusocial species, sterile workers assist fertile ____ with whom they share genes. a. dominant animals b. subordinate animals c. offspring d. relatives e. leadersA new species is discovered in which males care for offspring after birth, and females leaves the nest immediately. In this species, males are likely to A. Have more offsprings overall than females. B. Have fewer offspring overall than females. C. Be promiscuous. D. Have lower parental investment.Males of certain Australian beetles have been seen trying to copulate with everything from beer bottles to large orange signs. Apply ethological terminology to these cases by identifying the releaser, the fixed action pattern, and the innate releasing mechanism. Then develop an ultimate hypothesis to account for what clearly is maladaptive behavior on the part of these obtuse beetles (which sometimes die rather than leave the inanimate and unresponsive copulatory partners that they have chosen). (Don't use any online resource)