35 results found

Search Results for: food web

Food chain

Everything is a cycle in life. The way organisms consume their food also follows a cycle. This is usually described as the... Read More

Food web

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

Plankton

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

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

Predation

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

Herbivore

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

Producer

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

Food

Definition noun (1) A form of nourishing substance that is consumed (2) A substance that provides nourishment (3) A source... Read More

Protist

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

Heterotroph

Heterotroph Definition What is a heterotroph? Does a heterotroph make its own food? In biology and ecology, a heterotroph... Read More

Parasitism

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

Consumer

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

Kingdom Animalia

Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... 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

Atom

In the enchanting tapestry of life, the smallest of heroes and a celestial protagonist emerges—'the atom'. With grace and... Read More

Pseudopodia

A pseudopodium (plural: pseudopodia) refers to the temporary projection of the cytoplasm of a eukaryotic cell. Pseudopodia... Read More

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Aves

Aves Definition What are birds classified as? Birds constitute the class Aves of the kingdom Animalia. How to define Aves?... Read More

Lysosome

Lysosome Definition noun plural: lysosomes ly·so·some, ˈlaɪsəˌsoʊm (cell biology) Organelle containing a large... Read More

Fitness

A competing variant's frequency is rising in relation to other competing variants in a population under the biological... Read More

Mutagen

Mutagen Definition What is a mutagen? A mutagen is a substance or agent that causes DNA impairment that results in the... Read More

Ecological niche

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

An introduction to Homeostasis

Researched and Written by Jonjo MinnsSubmitted to biologyonline.com on February 25, 2009.Published in biologyonline.com... Read More

Chordata

Chordata Definition What is Chordata? Chordata is the phylum of the animal kingdom that includes a large number of animal... Read More

Ectoplasm

Definition Of Ectoplasm The peripheral part of the cytoplasm which is clear, gel-like, rigid, and agranular part is known... Read More

Thermophile

Thermophiles Definition What are thermophiles? Let us first understand the literal meaning of the word ‘thermophile’.... Read More

Biology: Concepts & Connections with Student CD-ROM (5th Edition)

Biology: Concepts & Connections with Student CD-ROM (5th Edition)   ... Read More

Sexual dimorphism

Sexual Dimorphism Definition Sexual dimorphism refers to the morphological differences (in form or appearance) between... Read More

Camelid

Camelid Definition A canelid refers to any of the even-toed ungulates of the family Camelidae, e.g. camels, llamas,... Read More

Spider

spider 1. (Science: zoology) Any one of numerous species of arachnids comprising the order araneina. Spiders have the... Read More

Takahē (Porphyrio hochstetteri)

By: Maria Victoria GonzagaPreviously, we've seen the different animals endemic to New Zealand. Due to the... Read More

Honeybee

Honey Bee Definition A honey bee is a type of bee known for collecting honey and living in communities. The true honey bees... Read More