Tag: biology

Fats, greases, and oils are non-polar substances. They are soluble in non-polar organic solvents like ether, but insoluble in water.

In grasslands, periodic fires and limited water availability prevent the establishment and growth of woody trees. These environmental filters keep the ecosystem in a subclimax state dominated by grasses rather than progressing to a forest.

According to the 10 percent law of energy transfer in ecosystems, energy decreases at each successive trophic level. Producers, being at the first trophic level, capture solar energy and possess the maximum amount of available energy.

Deciduous trees, which lose their leaves annually, provide the hardwood timber commonly used in construction and furniture manufacturing.

The expansion of deserts, or desertification, is primarily driven by a combination of climate change and unsustainable human activities such as overgrazing and deforestation.

Giraffes are native to the African continent and are found in the wild exclusively in Africa.

The Cape Mountain Zebra is a subspecies of the mountain zebra that is endemic to the Western and Eastern Cape provinces of South Africa.

Fossil fuels (oil, coal, and natural gas) have historically provided the vast majority of the energy consumed in the United States, typically accounting for 80-90 percent of the total.