Circannual rhythms in birds are influenced by A) periods of food availability. B

Author Question: Circannual rhythms in birds are influenced by A) periods of food availability. B (Read 460 times)

penza

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Posts: 1,022

on: Oct 27, 2013

Circannual rhythms in birds are influenced by
A) periods of food availability.
B) reproductive readiness.
C) periods of daylight and darkness.
D) magnetic fields.
E) lunar cycles.

Celeste

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Posts: 588

Reply #1 on: Jul 27, 2019

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