35 results found

Search Results for: trophic level

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

Herbivore

Herbivore Definition A herbivore is the primary consumer of the food chain that usually occupies the second trophic level... Read More

Predation

In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of... Read More

Ecological pyramid

Definition noun A graphical representation in the shape of a pyramid to show the feeding relationship of groups of... Read More

Biological magnification

Definition noun, plural: biological magnification The increasing concentration of a particular substance (e.g. toxin) as it... Read More

Detritivore

Definition noun, plural: detritivores An organism that feeds on detritus or organic waste Supplement A detritivore pertains... Read More

Pyramid of Productivity

Definition noun A graphical representation in the shape of a pyramid showing the distribution of productivity or flow of... Read More

Trophic dynamics

Definition noun The system of trophic levels describing the position that an organism occupies, as well as the sequence of... Read More

Tertiary consumer

Definition noun, plural: tertiary consumers Any organism that consumes or feeds largely on primary and secondary... Read More

Primary consumer

Definition noun, plural: primary consumers Any organism that consumes or feeds on autotrophs Supplement A food chain is... Read More

Secondary consumer

Definition noun, plural: secondary consumers Any organism that consumes or feeds largely on primary consumers, as well as... Read More

Ecosystem diversity

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

SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)

Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004)   Introduction: It has been... Read More

Trophic

Definition adjective (1) Of, relating to, or pertaining to nutrition. (2) Of, or involving, the feeding habits or food... Read More

Primary producers

'Primary producers (also called simply as producers) are the autotrophs capable of producing organic compounds from light... Read More

Freshwater Community Energy Relationships – Producers & Consumers

The previous tutorial on producers and consumers noted the reliance that organisms have on one another to obtain energy to... Read More

Producer

Definition noun, plural: producers An autotrophic organism capable of producing complex organic compounds from simple... Read More

Food web

Definition noun (ecology) A graphical model showing the interconnecting food chains in an ecological... Read More

Consumer

Definition noun, plural: consumers An organism that generally obtains food by feeding on other organisms or organic matter... Read More

Decomposer

Decomposer Definition The organisms that carry out the process of decay or breakdown of the dead organism are known as... Read More

Food chain

Definition A feeding hierarchy in which organisms in an ecosystem are grouped into trophic (nutritional) levels and are... Read More

Pyramid of Numbers

Definition A graphical representation in the form of a pyramid showing the feeding relationship and the number of organisms... Read More

Phototroph

Definition noun, plural: phototrophs An organism, typically a plant, obtaining energy from sunlight as its source of energy... Read More

Photoautotroph

Definition noun, plural: photoautotrophs An organism, typically a plant, obtaining energy from sunlight as its source of... Read More

Net primary productivity

In order to keep the biosphere running, different organisms play different roles and functions. Some help in oxygen... Read More

Zooplankton

Definition noun Animal or animal-like constituent of plankton, comprised mainly of freely floating protozoa, small... Read More

Plankton

plankton (Science: marine biology) small (often microscopic) plants and animals floating, drifting or weakly swimming in... Read More

Phytoplankton

Definition noun Photosynthetic (plant-like) constituent of plankton, mainly comprised of unicellular... Read More

Decomposition

Definition noun The process or act of breaking down an organic material or substance into smaller constituent parts,... Read More

Chemoautotroph

Definition noun, plural: chemoautotrophs An organism (typically a bacterium or a protozoan) that obtains energy through... Read More

Environment

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

Mycoplankton

Definition noun The fungi or fungus-like component of plankton Supplement Plankton pertain to the small organisms that... Read More

Bacterioplankton

Definition noun The bacterial component of plankton of aquatic ecosystems Supplement Plankton pertain to the small organisms... Read More

Autotroph

Autotroph Definition What is an autotroph? In biology and ecology, an autotroph is an organism capable of making nutritive... Read More

Primary productivity

Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More