Crocodilia & Lizard - Unionpedia, the concept map

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Difference between Crocodilia and Lizard

Crocodilia vs. Lizard

Crocodilia (or Crocodylia, both) is an order of semiaquatic, predatory reptiles known as crocodilians. Lizard is the common name used for all squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains.

Archosaur

Archosauria or archosaurs is a clade of diapsid sauropsid tetrapods, with birds and crocodilians being the only extant representatives.

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Bird

Birds are a group of warm-blooded vertebrates constituting the class Aves, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.

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Cloaca

A cloaca,: cloacae, is the rear orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals.

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Convergent evolution

Convergent evolution is the independent evolution of similar features in species of different periods or epochs in time.

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Cretaceous

The Cretaceous is a geological period that lasted from about 145 to 66 million years ago (Mya).

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Crown group

In phylogenetics, the crown group or crown assemblage is a collection of species composed of the living representatives of the collection, the most recent common ancestor of the collection, and all descendants of the most recent common ancestor.

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Early Cretaceous

The Early Cretaceous (geochronological name) or the Lower Cretaceous (chronostratigraphic name) is the earlier or lower of the two major divisions of the Cretaceous.

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Ecological niche

In ecology, a niche is the match of a species to a specific environmental condition.

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Ectotherm

An ectotherm (from the Greek ἐκτός "outside" and θερμός "heat"), more commonly referred to as a "cold-blooded animal", is an animal in which internal physiological sources of heat, such as blood, are of relatively small or of quite negligible importance in controlling body temperature.

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Egg incubation

Egg incubation is the process by which an egg, of oviparous (egg-laying) animals, develops an embryo within the egg, after the egg's formation and ovipositional release.

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Herbivore

A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage or marine algae, for the main component of its diet.

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Keratin

Keratin is one of a family of structural fibrous proteins also known as scleroproteins.

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Late Cretaceous

The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale.

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Ogg

Ogg is a free, open container format maintained by the Xiph.Org Foundation.

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Order (biology)

Order (ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy.

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Osteoderm

Osteoderms are bony deposits forming scales, plates, or other structures based in the dermis.

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Parthenogenesis

Parthenogenesis (from the Greek παρθένος|translit.

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Pheromone

A pheromone is a secreted or excreted chemical factor that triggers a social response in members of the same species.

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Reptile

Reptiles, as commonly defined, are a group of tetrapods with usually an ectothermic ('cold-blooded') metabolism and amniotic development.

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Scavenger

Scavengers are animals that consume dead organisms that have died from causes other than predation or have been killed by other predators.

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Skull

The skull is a bone protective cavity for the brain.

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Temperature-dependent sex determination

Temperature-dependent sex determination (TSD) is a type of environmental sex determination in which the temperatures experienced during embryonic/larval development determine the sex of the offspring.

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Territory (animal)

In ethology, territory is the sociographical area that an animal consistently defends against conspecific competition (or, occasionally, against animals of other species) using agonistic behaviors or (less commonly) real physical aggression.

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Vomeronasal organ

The vomeronasal organ (VNO), or Jacobson's organ, is the paired auxiliary olfactory (smell) sense organ located in the soft tissue of the nasal septum, in the nasal cavity just above the roof of the mouth (the hard palate) in various tetrapods.

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