Related topics: species · genes · evolutionary biology

Bacteria can boost fitness of their host

Microorganisms can increase their host's ability to adapt to the environment and reproduce—evolutionary biologists are now studying the underlying molecular mechanisms. A research team headed by Dr. Fabian Staubach and ...

Crystal clear: Lepidopterans have many ways of being transparent

Butterflies and moths have beautiful wings: The bright flare of an orange monarch, the vivid stripes of a swallowtail, the luminous green of a Luna moth. But some butterflies flutter on even more dramatic wings: Parts of ...

Males help keep populations genetically healthy

A few males are enough to fertilize all the females. The number of males therefore has little bearing on a population's growth. However, they are important for purging bad mutations from the population. This is shown by a ...

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