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Scoop.it!
Memories of home Most animals spend the majority of their lives within a familiar home range. Cognitive tests on pheasants (Phasianus colchicus) support the hypothesis that spatial reference memory underlies the ability to develop a home range, as well as suggesting its critical role in allowing birds to become familiar enough with the landscape to avoid ambush predators.
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Scoop.it!
Genetic diversity is crucial for species' maintenance and persistence, yet is often overlooked in conservation studies. Species diversity is more often reported due to practical constraints, but it is unknown if these measures of diversity are correlated. In marine invertebrates, adults are often sessile or sedentary and populations exchange genes via dispersal of gametes and larvae. Species with a larval period are expected to have more connected populations than those without larval dispersal.
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