55 results found

Search Results for: biotic

Biotic factor

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

Abiotic and Biotic Factors

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

Ecosystem

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

Biotic

Definition adjective (1) Of, pertaining to, or produced by life or living organisms (of an ecosystem). (2) Pertains to a... 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

Environment

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

Community (biology)

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

Biotic potential

Biotic potential (Science: biology, ecology) The potential growth a population of living things can expect if it were living... Read More

Biotic stress

Biotic stress (Science: biology) Living organisms which can harm plants, such as viruses, fungi, bacteria, and harmful... 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

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

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

Biome

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

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

Community Patterns

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

Freshwater Ecology

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

RNA-DNA World Hypothesis?

How did life start as we know it? In the scientific community, the "RNA World Hypothesis" has many adherents. Many believed... Read More

Divergent evolution

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

Density dependent factor

Definition noun, plural: density dependent factors (ecology) A factor whose effects on the size or growth of population vary... Read More

Ecosystem diversity

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

Factor

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

Carrying capacity

Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More

Allopatric speciation

We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More

Ecosystem dynamics

Ecosystem dynamics Those intrinsic ecological functions through which an ecosystem becomes self-regulating, self-sustaining,... 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

Vector

Definition noun, plural: vectors (1) (epidemiology) An organism or vehicle that transmits the causative agent or... 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

Lotic Communities & Animals

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

Autecology

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

Unique species

unique species (Science: biology) A biotic resource whose presence is unusual and of special interest due to extremities of... Read More

Arthropods

There are over two million species of arthropods, who initially arrived on Earth in the middle of the Cambrian period.... Read More