31 results found

Search Results for: exoskeleton

Arthropod

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

Exoskeleton

a skeleton on the outside of the body. Arthropods produce a tough external covering called an... 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

Chitin

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

Skeletal system

Definition noun An organ system whose primary function is for structural support and protection, and consists basically of... Read More

Ant

Ant Definition An ant is an insect belonging to the family Formicidae. It belongs to the order Hymenoptera, together with... Read More

Polysaccharide

Reviewed by: Todd Smith, PhD Polysaccharide Definition noun plural: polysaccharides pol·y·sac·cha·ride,... Read More

Isopod

Definition noun, plural: isopods Any of the members of the order Isopoda, which is a taxonomic group characterized mainly by... Read More

Arthropodology

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

Protist

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

Chelicerate

Definition noun, plural: chelicerates Any of the species belonging to the subphylum Chelicerata Supplement The chelicerates... Read More

Arachnology

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

Analogous structures

In evolutionary biology, analogous structures are defined as biological structures having similar or corresponding functions... Read More

Carcinology

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

Woodlouse

Definition noun, plural: woodlice Any of the terrestrial isopods that belong to the suborder... Read More

Primitive Animals

Incorrect taxonomic classifications deemed organisms to be either animals or plants, in the Plantae or Animalia kingdoms... Read More

Triploblastic

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

Growth Patterns

When measuring growth, it is more desirable to use dry mass as a reliable indication. However, since you can't just 'suck'... Read More

Chitobiose

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

Class

Our earth is home to diverse groups of organisms. These living things exist in the ecosystem. Dating back to the ancient... 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

Anthozoan

Anthozoan (Science: zoology) Pertaining to the anthozoa. One of the anthozoa. Definition noun, plural: anthozoans Any of the... Read More

Respiratory system

Definition noun An organ system comprised of organs and structures associated for respiration or gas exchange Supplement An... Read More

Eukaryote

Eukaryote refers to any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound... Read More

Phylum

Just like it is easy to identify and sort anything in the supermarkets when placed in the right section with proper display... Read More

Cuticle

Definition noun The outermost, noncellular, protective covering of certain organisms Supplement The cuticle refers to the... Read More

Invertebrate

Invertebrate Definition An invertebrate refers to any of the animals lacking a vertebral column. The term invertebrate came... Read More

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

Test

Definition noun, plural: tests (1) An examination or evaluation. (2) (zoology) The external, protective shell, covering or... Read More

Fish

While insects and similar types of organisms strived to occupy land, the sea was teeming with life aiming to secure their... 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