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Spread rapidly by mosquitoes, the virus devastated the rabbit population.

In view of this behavior, it has been suggested that chemicals (which are) present in fresh buck rubs may help physiologically induce and synchronize fertility in females that visit these rubs.

Some researchers claimed that adding iron to the sea could induce phytoplankton blooms, which might alleviate the impact of global warming by consuming a significant amount of carbon dioxide in the atmosphere.

Timid and vacillating, King Joao did not know which way to turn.

Some species of tuna have specialized grooves in their tongue. It is thought that these grooves help to channel water through the mouth and out the gill slits, thereby reducing water resistance.

A shorter drought in which they exhausted their stored food supplies might already have gotten them in deep trouble, because growing crops required rain rather than reservoirs.

If these artists did use a camera obscura, does that diminish their stature?

Green ash trees are found in association with plains cottonwood trees because both can survive well on floodplains and the competition between them is not so strong that only one can persevere.

Crop plants are sometimes grown in areas where weedy relatives also live. If the crop plants hybridize and reproduce with weedy relatives, then this herbicide-resistant gene will be perpetuated in the offspring.

Some islands that used to be parts of continents still carry some small plant and animal remnants of their earlier biota, providing clear examples of evolution and interesting patterns of colonization, adaptation, and speciation.

When the current approaches the equator, the westward-flowing trade winds cause nutrient-rich cold water along the coast to rise from deeper depths to more shallow ones.

It appears that the location of Memphis may have been even more advantageous for controlling trade, transport, and communications than was previously appreciated.

Although she discovered and introduced her art in the United States, she achieved her greatest glory in Paris, where she was engaged by the Folies Bergére in 1892 and soon became “La Loie,” the darling of Parisian audiences

This makes appraisal of the method very difficult.

The increase in food production in these regions led to a significant growth in population, while efforts to control the flow of water to maximize the irrigation of cultivated areas and to protect the local inhabitants from hostile forces outside the community provoked the first steps toward cooperative activities on a large scale.

At one time it was thought that these matrix grains might be pristine nebular dust, the sort of stuff from which chondrules and inclusions were made.

These have adapted to the environment by the development of long taproots that penetrate downward until they approach the assured water supply provided by groundwater.