52 results found

Search Results for: abiotic

Abiotic and Biotic Factors

Abiotic factors are essentially non-living components that affect the living organisms of the freshwater community. When... Read More

Abiotic factor

Definition noun, plural: abiotic factors A non-living chemical or physical factor in the environment, such as soil, pH,... Read More

Abiotic

Definition adjective Nonliving, as in abiotic factor, which is a nonliving physical and chemical attribute of a system,... Read More

Abiotic stress

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

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Abiotic Fixation

Definition noun It is part in nitrogen cycle wherein atmospheric nitrogen fixation carries out non-living components to... Read More

Environment

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

Abiotic resource

Definition noun A type of natural resource derived from non-living things as opposed to biotic resource derived from living... Read More

Abiotic factors

See abiotic factor (singular) for definition and additional... Read More

Biotic factor

Biotic Factor Definition Biotic factors (also known as biotic components) are the living component in an ecosystem. The... Read More

Ecological niche

An ecological niche refers to the interrelationship of a species with all the biotic and abiotic factors affecting it. This... Read More

Vector

Vector Definition When one thinks of vectors one may think of many different things. This is because a vector can be... Read More

Community (biology)

Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... 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

Non-living thing

A non-living thing in biology means any form without life, such as an inanimate body or object. Compared with the entity... Read More

Community Patterns

By: Maria Victoria Gonzaga In the previous lesson, we learned what a population is, its attributes, and processes... Read More

Biome

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

Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of... Read More

Abiotic Factors – Water Conditions

Evidently, the light and heat from the sun play an important role in providing suitable conditions. However, the water... Read More

Biotic resource

Definition noun A type of natural resource derived from the biosphere as opposed to abiotic resource from non-living... Read More

Divergent evolution

Divergent evolution definition Divergent evolution refers to the process by which interbreeding species diverged into two... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

Freshwater Communities & Lentic Waters

Lentic (still water) communities can vary greatly in appearance, anything from a small temporary puddle to a large lake is... Read More

Takahē (Porphyrio hochstetteri)

By: Maria Victoria Gonzaga Previously, we've seen the different animals endemic to New Zealand. Due to the... Read More

System

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

Ecosystem diversity

Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... Read More

Limiting factor

Limiting factor in biology refers to any of the factors (variables) in an environment capable of limiting a process, such as... Read More

Density Independent Factor

Definition noun, plural: density independent factors (ecology) A factor that affects the size of a population independent or... Read More

Trophic level

In ecology, a trophic level pertains to a position in a food chain or ecological pyramid occupied by a group of organisms... Read More

Fish

While insects and similar types of organisms strived to occupy land, the sea was teeming with life aiming to secure their... 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

Water

Water Definition (1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless,... 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

Global Carbon Cycling on a Heterogeneous Seafloor

Carbon, nitrogen and oxygen are the fundamental elements of life on Earth. Global carbon varies in amount and its... 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

Lotic Communities & Animals

A running water environment offers numerous microhabitats that simulate favorable conditions for many types of animals to... Read More

Fixation

Definition noun, plural: fixations (biological technique) The use of a fixative to preserve histological, cytological, or... Read More

Factor

Definition noun, plural: factors (1) (biology) A substance that takes part in a biochemical reaction (e.g. blood-clotting... Read More

Autecology

Definition noun A subfield of ecology concerned with the individual organism or species in relation to its... Read More

Air Pollution

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