34 results found

Search Results for: pollution

Air Pollution

Pollution of the atmosphere; air pollution reduced the visibility.An abiotic Factor, air Pollution is any substance that has... Read More

Pollution

Definition noun (1) The change in the environment caused by natural or artificial input of harmful contaminants into the... Read More

Indicator Species and Endangered Species

Indicator Species Certain species are capable of expressing characteristics that can indicate the state of the ecosystem... Read More

Pollution in Freshwater Ecosystems

As with all ecosystems, the existence and operations of human society inevitably have an effect on the way of life in a... Read More

Environment

Environment Definition What does environment mean? If you mean physical environment, then it is defined as the surrounding... Read More

System

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Cancer

Cancer definition In biology, cancer is defined as the malignant growth due to uncontrolled cell division. It is now used... Read More

Phytoremediation – A Green Solution to Pollution

Plants may be the raw material of the future for everything from fibers to fuels, but in the meantime they're busy mending... Read More

Surface water

Definition noun (ecology) Water that is above the substrate or soil surface such as streams, bays, lakes, rivers, seas,... Read More

Ecosystem Succession

Just one of the amazing aspects of life on Earth is that it spreads to all areas where the habitat will allow it to survive.... Read More

Abiotic stress

'''abiotic stress (Science: botany) Nonliving environmental factors (such as drought, extreme cold or heat, high winds) that... Read More

Unicellular

Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More

Ecological buffer zone

Definition noun A zone or an area that serves not for any anthropogenic use but as a conserved natural habitat where plants... Read More

photobiology

Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... Read More

Endangered ecosystems: Review on conservation status of Asian rivers

Physical, chemical or biological changes in the environment that will affect its equilibrium are indeed a need of thorough... Read More

Examples of Natural Selection

Reviewed by: Mary Anne Clark, Ph.D. Darwin's Finches Darwin's finches are an excellent example of the way in... Read More

Mopping up mercury – a new solution to an old problem

A pilot plant employing a new type of bioreactor has successfully been used to treat mercury-contaminated wastewater in... Read More

Sympatric speciation

Speciation is a process of evolution through which two different existing populations evolve and a distinct species form. It... Read More

Eubacteria

Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More

Population Regulation in an Ecosystem

Darwin focused some of this work in regards to the population size of a species, and what factors may affect them. He... Read More

Industrial Microbiology

Definition noun Related to environmental, social and economic importance that are engaged in the utilization of... Read More

Indicator Species

A species which is a good indicator of the living conditions in a particular habitat. The peppermoth will express a black... Read More

Pollutant

pollutant An undesired contaminant that results in... Read More

Contamination

Contamination The soiling or pollution by inferior material, as by the introduction of organisms into a wound or sewage into... Read More

Biome

Biome Definition What are biomes? There is no universal definition of biomes. But biome definition in biology of different... Read More

Biosphere

What is biosphere? The biosphere is that part of the Earth where living things thrive and live. It is the portion of the... Read More

Riparian buffer

Definition noun A strip of vegetation (trees, shrubs, grasses, etc.) that grows along the edges of a bank or a waterway.... Read More

Waste management

Waste management refers to the various schemes to manage and dispose of wastes. It can be by discarding, destroying,... Read More

Kelp

The swaying and winding of kelp in the ocean currents has an entrancing, hypnotic quality that would be the envy of the... Read More

Sensitive species

sensitive species (Science: ecology, zoology) species that can only survive within a narrow range of environmental... Read More

Algae

Algae are photosynthetic organisms that possess photosynthetic pigments such as chlorophyll. However, they lack true roots,... Read More

Prevention of significant deterioration

prevention of significant deterioration (pSD) under the Clean air act, a planning and management process for air quality... Read More

Population Growth and Survivorship

By: Maria Victoria Gonzaga Previously, we learned about biodiversity and endemism. Now, let's look at the... Read More