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  2. Insect morphology - Wikipedia

    en.wikipedia.org/wiki/Insect_morphology

    There are three different tracheae supplying oxygen diffusing oxygen throughout the species body: The dorsal, ventral, and visceral. The dorsal tracheae supply oxygen to the dorsal musculature and vessels, while the ventral tracheae supply the ventral musculature and nerve cord, and the visceral tracheae supply the guts, fat bodies, and gonads .

  3. Coelenterata - Wikipedia

    en.wikipedia.org/wiki/Coelenterata

    Coelenterata is a term encompassing the animal phyla Cnidaria (corals, true jellies, sea anemones, sea pens, and their relatives) and Ctenophora (comb jellies). The name comes from Ancient Greek κοῖλος (koîlos) 'hollow' and ἔντερον (énteron) 'intestine', referring to the hollow body cavity common to these two phyla.

  4. Killylea - Wikipedia

    en.wikipedia.org/wiki/Killylea

    Killylea (/ k ɪ l iː ˈ l eɪ /; from Irish Coillidh Léith 'grey forest') is a small village and townland in Northern Ireland. It is within the Armagh City and District Council area. The village is set on a hill, with St Mark's Church of Ireland , built in 1832, at its summit.

  5. Coelom - Wikipedia

    en.wikipedia.org/wiki/Coelom

    Coelomate animals or Coelomata (also known as eucoelomates – "true coelom") have a body cavity called a coelom with a complete lining called peritoneum derived from mesoderm (one of the three primary tissue layers). The complete mesoderm lining allows organs to be attached to each other so that they can be suspended in a particular order ...

  6. Skeleton - Wikipedia

    en.wikipedia.org/wiki/Skeleton

    A skeleton is the structural frame that supports the body of most animals.There are several types of skeletons, including the exoskeleton, which is a rigid outer shell that holds up an organism's shape; the endoskeleton, a rigid internal frame to which the organs and soft tissues attach; and the hydroskeleton, a flexible internal structure supported by the hydrostatic pressure of body fluids.

  7. Sirenia - Wikipedia

    en.wikipedia.org/wiki/Sirenia

    [30] [32] Unlike manatees, the dugong lacks nails on its flippers, which are only 15% of a dugong's body length. [33] Manatees generally glide at speeds of 8 kilometres per hour (5 mph), but can reach speeds of 24 kilometres per hour (15 mph) in short bursts. [34] The body is fusiform to reduce drag in the water.

  8. Cnidaria - Wikipedia

    en.wikipedia.org/wiki/Cnidaria

    Pacific sea nettles, Chrysaora fuscescens. Cnidaria (/ n ɪ ˈ d ɛər i ə, n aɪ-/ nih-DAIR-ee-ə, NY-) [4] is a phylum under kingdom Animalia containing over 11,000 species [5] of aquatic invertebrates found both in fresh water and marine environments (predominantly the latter), including jellyfish, hydroids, sea anemones, corals and some of the smallest marine parasites.

  9. Reptile scale - Wikipedia

    en.wikipedia.org/wiki/Reptile_scale

    Scutes on a crocodile. Reptile skin is covered with scutes or scales which, along with many other characteristics, distinguish reptiles from animals of other classes. They are made of alpha and beta-keratin and are formed from the epidermis (contrary to fish, in which the scales are formed from the dermis).