532 results found

Search Results for: environment

Environmental Science: Toward a Sustainable Future (9th Edition) by R.T. Wright

 Environmental Science: Toward a Sustainable Future (9th Edition)  ... Read More

Natural selection

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

External environment

Definition noun The environment outside of the organism, which pertains to the physical, chemical, biological and social... Read More

Natural environment

Definition noun All living and non-living things that occur naturally on a particular region. Supplement A natural... Read More

Living in the Environment: Principles, Connections, and Solutions

 Living in the Environment: Principles, Connections, and Solutions (with CD-ROM and InfoTrac)   ... Read More

Internal environment

Definition noun (1) The outside of the cells inside the body of an organism. (2) The extracellular fluid... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More

Animal Water Regulation

Homeostatic control, a set environment, and how evolution and natural selection drives a species to adapt to its environment... 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

Environmentalism

Definition noun A broad philosophy and social movement that is chiefly concerned with the prevention and conservation of the... Read More

Environment

Definition noun, plural: environments (1) The external conditions, resources, stimuli etc. with which an organism... Read More

Biotic factor

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

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... 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

The Skeptical Environmentalist: Measuring the Real State of the World

The Skeptical Environmentalist: Measuring the Real State of the World    ... Read More

Biometeorology: The impact of the weather and climate on humans and their environment (animals and plants) (Heyden international topics in science)

Biometeorology: The impact of the weather and climate on humans and their environment (animals and plants) (Heyden... Read More

Sensory Processing in Aquatic Environments

Sensory Processing in Aquatic Environments        ... Read More

Sterile – Environment

An environment that lacks living organic... Read More

Environment controlled

Environment, controlled a state in which the environs of hospitals, laboratories, domestic and animal housing, work places,... Read More

Ecosystem

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

Unicellular

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

System

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

Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More

Halophile

Definition noun, plural: halophiles An organism that thrives in an environment of high salinity Supplement A halophile... Read More

Neutrophile

Definition noun, plural: neutrophiles (1) A neutrophilic organism that lives and thrives in an environment with a... Read More

Autecology

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

Adaptation

Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting in behavior, physiology, or... 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

Endocytosis

Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More

Carrying capacity

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

Cell wall

The cell is the structural, functional, and biological unit of all organisms. It is a membrane-bound structure containing... Read More

Freshwater Communities & Plankton

Plankton are microscopic organisms that live suspended in the water environment and form a very important part of the... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with the nucleus. However, they are... Read More

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

Homeostatic equilibrium

Definition noun (1) The tendency of an organism or a cell to regulate its internal conditions, usually by a system of... Read More