20 results found

Search Results for: free association

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Mutualism

Mutualism Definition What is mutualism? In biology and ecology, a mutualism is a form of symbiosis that is characterized by... Read More

Parasitism

Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More

Ribosome

A biological cell is composed of many components called organelles. These organelles serve their specific purposes to make... Read More

Molecule

Molecule Definition Two or more atoms (same or different) that are held together by attractive forces or chemical bonds... Read More

Obligate parasite

Parasitism is a form of symbiosis that occurs between a parasite and its host. The parasite is the organism that generally... Read More

Plankton

Plankton is a diverse group of typically microscopic, aquatic organisms suspended in the water column and rely on water... Read More

Adipose tissue

Adipose Tissue Definition Adipose tissue, a specialized variety of connective tissue, is composed of lipid-rich cells known... Read More

Cell Structure

The interior of human cells is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped... Read More

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Autocrine signaling

Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Macrophytes

Introduction    Examples of Macrophytes. (Source: Canada's AquaticEnvironments) ... Read More

Alanine

What is alanine? Alanine is a non-essential amino acid. There are two types of amino acids for mammals namely essential and... 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

Dinoflagellate

A dinoflagellate is a flagellate algae characterized by their two flagella of unequal length. One of the flagella is lying... 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

Epistasis

Epistasis Definition What is epistasis in genetics? How does epistasis occur? The epistasis definition, in biology, refers... Read More

Sensory Systems

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More

sloth bear

Sloth Bear Definition The sloth bear (Melursus ursinus) is a small bear species characterized by having a long lower lip... Read More