You searched for mollusks - Biology Articles, Tutorials & Dictionary Online

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

Definition

Trematode

Definition noun, plural: trematodes A common name for the species belonging to the Class Trematoda, which is characterized... Read More

Definition

Symbiosis

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

Definition

N-acetylglucosamine

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

Definition

Circulatory fluid

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

Definition

Animal

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

Definition

Mineral

Mineral Definition A mineral (min·er·al, ˈmɪn.əɹ.əl) refers to any of the various naturally-occurring abiogenic... Read More

Definition

Analogous structures

Analogous Structures Definition In evolutionary biology, analogous structures are biological structures having similar or... Read More

Definition

Shell

shell 1. A hard outside covering, as of a fruit or an animal. Specifically: The covering, or outside part, of a nut; as, a... Read More

Definition

Intracellular digestion

Intracellular Digestion Definition What is intracellular digestion? ‘Intra’ means "inside" and ‘cellular’ pertains... Read More

Definition

Embryology

Embryology Definition Embryology is a branch of biology that deals with the topics concerning gamete formation... Read More

Definition

Proboscis

Proboscis Definition What is proboscis? A proboscis refers to an elongated or projecting appendage in the head region of... Read More

Definition

Circulatory system

Circulatory System Definition noun The organ system responsible for the circulation and transport of oxygen, carbon... Read More

Definition

Tentacle

Something that acts like a tentacle in its ability to grasp; caught in the tentacles of organized crime.Any of various... Read More

Definition

Mucin

Definition noun, plural: mucins Any of the class of glycoproteins found in mucus (e.g. saliva, gastric juice, etc.) secreted... Read More

Definition

Chlorophyta

Chlorophyta Definition Chlorophyta is a taxonomic group (a phylum) comprised of green algae that live in marine habitats.... Read More

Definition

Chitobiose

Definition noun A dimer comprised of two molecules of glucosamine units joined by β-1,4 bonds, and produced by organisms... Read More

Definition

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Definition

Triploblastic

Triploblastic Definition A triploblastic animal had three main layers of tissue during embryonic development. The central... Read More

Definition

Macroorganism

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

Definition

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

Definition

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

Definition

Tunicate

Definition noun, plural: tunicates Any of the sessile marine chordates of the subphylum Tunicata Supplement Chordates... Read More

Definition

Taxonomy

Taxonomy Definition The term "taxonomy" was developed from two Greek words, "taxis," meaning arrangement, and "nomia,"... Read More

Definition

Pearl

pearl 1. (Science: marine biology, zoology) A shelly concretion, usually rounded, and having a brilliant luster, with... Read More

Definition

Pedicle

Definition noun, plural: pedicles (1) (botany) The stalk of a flower. (2) (entomology) The waist of the ant bearing one or... Read More

Definition

Trematoda

Definition noun (taxonomy) A class of the Phylum Platyhelminthes that is comprised of parasitic flukes Supplement The phylum... Read More

Definition

Ear

Ear 1. The organ of hearing; the external ear. in man and the higher vertebrates, the organ of hearing is very complicated,... Read More

Definition

Organ

Definition Of Organ An organ is a collection of tissues that carries out a function or set of related ones. An organ often... Read More

Definition

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Definition

Fin

Fin 1. (Science: marine biology, zoology) An organ of a fish, consisting of a membrane supported by rays, or little bony or... Read More

Definition

Analogous

In evolutionary biology, the meaning of analogous is “having similarities in functions but different evolutionary... Read More

Definition

Gizzard

Gizzard 1. (Science: anatomy, ornithology) The second, or true, muscular stomach of birds, in which the food is crushed and... Read More

Definition

Chitin

Definition noun plural: chitin chi·tin, ˈkaɪtɪn (1) A polymer of nitrogen-containing polysaccharide (C8H13O5N)n... Read More

Definition

Scallop

scallop 1. (Science: zoology) Any one of numerous species of marine bivalve mollusks of the genus pecten and allied genera... Read More

Definition

Homology

In biology, homology refers to similarities caused by shared ancestry between two structures or genes from distinct species.... Read More

Definition

Zoology

Zoology Definition Zoology is an ever-evolving branch of Biology dealing with the members of the Kingdom Animalia. It... Read More

Definition

Photosynthesis

Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More

Definition

Leech

Leech 1. Physician or surgeon; a professor of the art of healing. alternative forms: leach Leech, heal thyself. (Wyclif... Read More

Definition

Arthropod

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

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