59 results found

Search Results for: abiotic

Abiotic factor

An abiotic factor is a non-living element of the environment that influences the way organisms and ecosystems function. Some... Read More

Abiotic

An abiotic factor in Ecology or Biology pertains to any constituent within an ecosystem that lacks inherent life or living... 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

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

Ecological niche

Ecological Niche Definition An ecological niche refers to the interrelationship of a species with all the biotic and... Read More

Biotic factor

Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More

Non-living thing

Non-living Thing Definition A non-living thing in biology means any form without a life, such as an inanimate body or... Read More

Community (biology)

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

Environmental resistance

Environmental Resistance Definition Environmental resistance is such a process in which certain different elements or... 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

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

Density dependent limiting factor

What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... Read More

Biodiversity

The biological world or life on earth is a marvel that has amazed us since time immemorial. The rich natural diversity of... Read More

Biotic potential

When we look at the different forms of life, we often wonder how they have continued to exist one generation after another.... Read More

Freshwater Ecology

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

Biome

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

Reproduction

Reproduction Definition Reproduction is a biological phenomenon of producing offspring/s. i.e. more of its kind. Depending... Read More

Community Patterns

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

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

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

Takahē (Porphyrio hochstetteri)

By: Maria Victoria GonzagaPreviously, 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

Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More

Ecosystem diversity

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

Producer

Producer Definition Producers are organisms that can produce organic matter using an external energy source. They include... Read More

Incubation period

Incubation Period Definition The incubation period is the time duration between exposure to the pathogen and the appearance... Read More

Population Growth and Survivorship

By: Maria Victoria GonzagaPreviously, 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

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