Sentences with phrase «island populations evolves»

We have ongoing bio-geography studies in the Philippines that look at live animals to see how the complexity of island populations evolves.

Not exact matches

The island rule predicts that populations of small mammals evolve larger body size on islands than on the mainland, whereas island - bound large mammals evolve smaller body size than their mainland counterparts.

«Any bird populations on the continents that could not withstand these levels of predation from cats and other predators would have disappeared long ago, but populations of birds on oceanic islands have evolved in circumstances in which predation from mammalian predators was negligible and they, and other island vertebrates, are therefore particularly vulnerable to predation when cats have been introduced.»

Insular feral cat's reliance on introduced mammals, which evolved with cat predation, suggests that on many islands, populations of native species have already been reduced.

Island skunks might have retained the latifrons - like characters because they lacked sufficient genetic variation (Van Gelder 1959, 1965), which is required for populations to evolve in response to environmental change (Reed and Frankham 2003).