260 results found

Search Results for: matter

Matter

Definition noun, plural: matters (1) The material of the universe, especially one that occupies space and has mass (2) The... Read More

Organic matter

Definition noun Any of the carbon-based compounds found in nature Supplement Organic matter pertains to any of the... Read More

Decomposer

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

System

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

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Protist

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

External capsule

Definition noun (anatomy) A thin, white sheet of whiter matter fibers in the brain between the putamen and... Read More

Abiogenesis

Definition noun plural: abiogeneses a·bi·o·gen·e·sis, eɪbaɪəʊˈdʒɛnəsɪs (1) The idea that primitive life... Read More

Carbon

Carbon is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of atom.... Read More

Central nervous system

Definition noun The part of the nervous system comprised of the brain, the brainstem, and the spinal cord Supplement In... Read More

Spontaneous generation

Definition noun plural: spontaneous generations The previously popular notion that living organisms arise or develop from... Read More

Material

Material 1. Consisting of matter; not spiritual; corporeal; physical; as, material substance or bodies. The material... Read More

Organic compound

Organic Compound Definition An organic compound is a compound that, in general, contains carbon covalently bound to other... Read More

Omnivore

Organisms need to eat food in order to gain energy and survive in the ecosystem. Often, living things are categorized by how... Read More

Biogenesis

Biogenesis Definition Biogenesis refers to the idea or the process whereby a living thing comes from another living thing,... Read More

Unicellular

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

Primary succession

Primary Succession Definition Primary succession is an ecological succession where a newly formed area is inhabited for the... 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

White substance

white substance --> white matter (Science: anatomy) brain tissue composed of myelin-coated nerve cell fibres. White... Read More

Bears

Bears Definition Bears are mammals belonging to the family Ursidae. They typically have massive bodies, coarse heavy fur,... Read More

At Home in the Universe: The Search for the Laws of Self-Organization and Complexity

At Home in the Universe: The Search for the Laws of Self-Organization and Complexity  ... 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

Soils

Where a plant grows and what resources are available to it is of vital importance to the life of a plant. The soil type and... 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

Phenol coefficient

Chemical disinfectants are categorized based on the power of their disinfection for microbes and viruses. Strong... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Saprophytic

Definition adjective (1) Of or relating to a saprophyte. (2) Feeding, absorbing or growing upon decaying organic matter... Read More

Internal capsule

Definition noun (anatomy) A fan-like, 8-10 mm thick of white matter separating the caudate nucleus and the thalamus from the... Read More

Microbe

Microbe Definition What is a microbe? How do we define microbes?  Microbes refer to microorganisms that cannot be seen by... Read More

Detritivore

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

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Smut

smut 1. Foul matter, like soot or coal dust; also, a spot or soil made by such matter. 2. (Science: chemical) bad, soft... Read More

Ecosystem

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

Biology

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

Smuts

smut 1. Foul matter, like soot or coal dust; also, a spot or soil made by such matter. 2. (Science: chemical) bad, soft... Read More

Egestion

Egestion is the act or process of voiding or discharging undigested food as faeces. To egest means to discharge undigested... Read More

Fasciculus of Lissauer

Definition noun A small bundle of fibers situated longitudinally in the white matter, at the entrance of the dorsal root... Read More

Primary consumer

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

Living things

Living Things Definition A living thing pertains to any organism or a life form that possesses or shows the characteristics... Read More