28 results found

Search Results for: crustacean

Crustacean

Crustacean a shell-covered sea creature - for example crabs and... Read More

Carcinology

Definition noun A biological discipline that studies crustaceans Supplement Carcinology is a branch of zoology that deals... Read More

Arthropods

There are over two million species of arthropods, who initially arrived on Earth in the middle of the Cambrian period.... Read More

Zooplankton

Definition noun Animal or animal-like constituent of plankton, comprised mainly of freely floating protozoa, small... Read More

Chromatophore

Definition noun, plural: chromatophores A pigment-containing cell or light-reflecting structure, especially found in fish,... Read More

Arthropodology

Definition noun A biological discipline that studies arthropods Supplement Arthropodology is a biological discipline that... Read More

Arthropod

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

Dactylus

Definition noun, plural: dactyla (zooanatomy) A dactyl, i.e. a digit (a finger or a toe) Supplement The term dactylus refers... Read More

Circulatory fluid

Definition noun The fluid confined within the vessel in a closed circulatory system or that contained in a cavity (hemocoel)... Read More

Arachnology

Definition noun A biological discipline that studies arachnids Supplement Arachnology is a biological discipline that deals... Read More

Horseshoe crab

Definition noun, plural: horseshoe crabs A crab-like marine chelicerate arthropod of the taxonomic family... Read More

Open circulatory system

Definition noun A type of circulatory system wherein the hemolymph bathes the organs and tissues directly thus there is no... Read More

Cnidocyte

Definition noun, plural: cnidocytes A specialized cell containing a cnidocyst involved in capturing prey and defense... Read More

Macroorganism

Definition noun, plural: macroorganisms Any macroscopic organism. Supplement Macroorganisms are large enough to be seen by... Read More

Book lungs

Book Lungs Definition Lungs are known as the organs that help organisms breathe. When we think of lungs, we think of the... Read More

Rostrum

Definition noun, plural: rostra (zoology)(1) A beak-like or snout-like projection, such as that of the crocodile or... Read More

Tail

tail 1. (Science: zoology) The terminal, and usually flexible, posterior appendage of an animal. The tail of mammals and... Read More

Metamerism

Metamerism Definition Metamerism is the repetition of homologous body segments. This type of development can be seen in the... Read More

Metamorphosis

Definition noun, plural: metamorphoses (1) (biology) A change in the form and often habits of an animal after the embryonic... Read More

Gravitaxis

Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More

Tarsus

tarsus Origin: NL, fr. Gr. The flat of the foot, the edge of the eyelid. Cf. 2d Tarse. 1. (Science: anatomy) The ankle; the... Read More

Shrimp

shrimp 1. (Science: zoology) Any one of numerous species of macruran crustacea belonging to Crangon and various allied... Read More

Commensalism

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

Perch

perch (Science: zoology) 1. Any fresh water fish of the genus perca and of several other allied genera of the family... Read More

Coracidium

Coracidium The ciliated first-stage aquatic embryo of pseudophyllid and other cestodes with aquatic cycles; within the... Read More

Thorax

thorax 1. (Science: anatomy) The part of the trunk between the neck and the abdomen, containing that part of the body cavity... Read More

Insect

Insect 1. (Science: zoology) One of the Insecta; especially, one of the hexapoda. See insecta. The hexapod insects pass... Read More

N-acetylglucosamine

Definition noun An amino sugar derivative of glucose, with a chemical formula of C8H15NO6, and serves as a major component... Read More