174 results found

Search Results for: life cycle

Indirect life cycle

Definition noun A type of parasitic life cycle wherein the parasite is transmitted indirectly from one host to the next,... Read More

Life cycle

Definition noun The whole life history of an organism, usually depicted through a series of developmental stages (e.g. from... Read More

Direct life cycle

Direct life cycle (Science: epidemiology) a life cycle in which a parasite is transmitted directly from one host to the next... Read More

Life

Life Definition noun, plural: lives (1) A distinctive characteristic of a living organism from dead organism or non-living... Read More

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Protist

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

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Biology

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

Non-living thing

A non-living thing in biology means any form without life, such as an inanimate body or object. Compared with the entity... Read More

Angiosperm

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

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... 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

Coccidia

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

Animal

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

Living things

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

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More

Catabolism

Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More

Cellular respiration

Cellular Respiration Definition The main function of cellular respiration is to break down glucose to form energy. What is... Read More

Bradyzoite

Definition noun, plural: bradyzoites A slowly multiplying cell form in the life cycle of certain Apicomplexans, such as... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Meiosis and Alternation of Generations

Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More

Arthropod

Arthropod Definition What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of... Read More

Growth

Growth Definition What is growth in biology? Growth is the irreversible increase of an organism’s size over a given... Read More

Pyruvate

Pyruvate Definition Pyruvates have been often recognized as one of the most important molecules that are frequently... Read More

Gametophyte generation

Definition noun (botany) A phase in the life cycle of certain plants and algae that starts with a spore up to the time that... Read More

Sporophyte generation

Definition noun (botany) A phase in the life cycle of certain plants and algae that starts with the union of gametes up to... Read More

Branches of biology

Branches of Biology Biology, the scientific study of life, includes several relevant branches. Below is a list of major... 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

Intermediate host

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

Pioneer species

You might have come across news of some barren lands turning into luscious grasslands or forests after decades? Or you might... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Biennial

Biennial a plant whose life cycle extends for more than one but less than two years after germination. Having a life cycle... Read More

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Interphase

Definition noun The phase in the life cycle of a cell wherein the cell grows in size, replicates its DNA, and prepares for... Read More

Mitotic phase

Definition noun The phase in the life cycle of a cell highlighted by chromosomal separation resulting into two identical... Read More

Tachyzoite

Definition noun, plural: tachyzoites A relatively faster-growing, actively multiplying, and invasive cell type of certain... Read More

Oocyst

Definition noun, plural: oocysts A resistant, thick-walled spore containing the zygote Supplement Apicomplexa is a phylum... Read More

Merozoite

Definition noun, plural: merozoites A cell formed during the asexual division of the schizont; a stage in the life cycle of... Read More

Gametocyte

Definition noun, plural: gametocytes A gamete-forming diploid germ cell Supplement A gametocyte is a gamete-forming cell.... Read More