Biology, 11.02.2020 21:45 vanvalenpeyt
Northern fickers are woodpeckers of the eastern united States. Males, but not females, have black feathers that resemblie a moustaoeet ientists painted a head. Whereas aggression between males is common, male and female members moustache on female members of breeding pairs, their mates attacked them. This suggests that
1. the moustache is a releaser for aggression.
2. moustache extending from the bill along each side o of breeding pairs are not aggressive toward one another.
3. However, when scientists painted a aggression is
4. a learned behavior the moustache is a neutral stimulus.
Answers: 3
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Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass
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Northern fickers are woodpeckers of the eastern united States. Males, but not females, have black fe...
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