50 results found

Search Results for: parasitism

Parasitism

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

Ectoparasitism

Definition noun A form of parasitism wherein the parasite lives outside the body of the host (as opposed to a parasite... Read More

Kleptoparasitism

Definition noun A form of parasitism wherein an animal takes food or objects collected, caught, prepared, or stored by... Read More

Endoparasitism

Definition noun (parasitology) A form of parasitism involving endoparasite Supplement Parasitism is one of the many forms of... Read More

Symbiosis

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

Commensalism

Commensalism Definition What is commensalism? Literally, commensalism is a Latin word that means ‘to eat at the same... 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

Parasitoidism

Definition noun A form of parasitism wherein an organism (called parasitoid) lives on or inside the host at one phase in its... 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

Parasitology

Definition noun A scientific study of parasites, their hosts, and the relationship between the parasite and the... Read More

Symbiont

Definition noun, plural: symbionts An organism in a symbiotic relationship Supplement Symbiont is the term used to refer to... 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

Ectoparasite

Definition noun, plural: ectoparasites (parasitology) A parasite that lives outside the body of the... Read More

Parasitoid

Definition noun, plural: parasitoids An organism that lives on or inside the host at one phase in its life cycle, and... Read More

Infestation

Definition noun, plural: infestations (ecology) The state of having a large number of pest organisms thriving in a... Read More

Endoparasite

Definition noun, plural: endoparasites (parasitology) A parasite that lives within the body of the... Read More

Parasite

Definition noun, plural: parasites An organism that obtains nourishment and shelter on another... Read More

Ecological niche

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

Host cell

Host Cells Definition What is a host cell? A host cell is a living cell that serves as a shelter and a food source to the... Read More

Plant

Plant Definition A plant refers to any of the eukaryotic organisms of the biological kingdom Plantae, characterized by... Read More

Synergistic effect

Synergistic Effects Definition In biology, synergistic effects are the effects when chemical substances or biological... Read More

Anthropophilic

Definition adjective (parasitology) Preferring or seeking a human host over another animal Supplement The term... Read More

Pathogen

What are Pathogens? Pathogens are defined as microscopic organisms, including viruses, bacteria, fungi, and parasites that... Read More

Mutualistic symbiosis

Mutualistic Symbiosis Definition In order to understand what a mutualistic symbiotic relationship means, we will break down... Read More

Infective stage

Definition noun (parasitology) The stage in the life cycle of an endoparasite wherein it can initiate infection to its... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Branches of biology

What is a Branch of Biology? A branch of biology is a specialized field or a sub-discipline in a much broader field of... Read More

Density dependent limiting factor

What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... Read More

Food web

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

Haustorium

Definition noun, plural: haustoria (botany) Knob-like root for penetrating into and absorbing nutrients and water from the... Read More

Metabiosis

metabiosis dependence of one organism on another for its existence. See: commensalism, mutualism, parasitism. Origin: meta--... Read More

Protist

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

Tertiary consumer

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

Environmental resistance

Environmental Resistance Definition Environmental resistance is such a process in which certain different elements or... Read More

Exudate cell

Definition noun, plural: exudate cells Any of the cells participating in the forming of exudate during inflammation or a... Read More

Coccidia

Coccidia (singular: coccidium) are sporozoans that live as parasites of the digestive tracts of certain animals. The... Read More

Community (biology)

Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More

Intermediate host

Intermediate Host Definition When looking at the relationships amongst different biological members of our biosphere, we... Read More

The Evolution of Cell Organelles

The previous tutorial page noted the emergence of protists, organisms that possessed a distinct cell nucleus and contained... Read More