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What evidence did Charles Elton collect that suggested that fluctuations in hare and lynx populations were related?
What other evidence shows that these fluctuations may not have been related?
Elton found that both hare and lynx populations underwent regular cycles, with peaks in the lynx population usually following those in the hare population by a year or two. Other evidence showed that hare populations underwent the similar cycles on islands without lynxes.
How different are fecundation in osteichthyes and in chondrichthyes? In chondrichthyes fecundation is internal by means of copulation. In osteichthyes fecundation generally is
Advanced Nervous Systems - General Trend In Evolution In higher groups of animals you will observe clear trends towards centralisation of the nervous system, to maximize effe
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