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The chemical processes within an organic body that supply the energy necessary for life. The rate of metabolic processes is sometimes used as a way to differentiate organisms. For example, mammals generally have a higher metabolism than reptiles and can thus sustain higher levels of activity for longer periods of time.
Industry:Biology
That part of the body at the "front" end, where the brain, mouth, and most sensory organs are located.
Industry:Biology
Often loosely applied to any movable, toothed structures at or near the mouth of an animal, such as the scolecodonts of annelids. In vertebrates, the jaw is derived from the first gill arch.
Industry:Biology
The portion of the digestive tract between the stomach and anus; it is the region where most of the nutrients and absorbed.
Industry:Biology
In birds and reptiles, the maintaining of a constant temperature during the development of the embryo. Birds incubate their eggs by sitting on them (also called brooding),while other animals, like crocodiles, bury their eggs in organic matter. If eggs are not incubated, the embryos within those eggs generally die. Some dinosaurs may have incubated their eggs by burial in sediment, in organic matter, or by brooding like birds.
Industry:Biology
An external, often hard, covering or integument that provides support and protection to the body.
Industry:Biology
A category in the classification of plants and animals between species and family; genera- pl.
Industry:Biology
Collection of nerve cells usually located at the anterior end of an animal, when present at all. The nerves coordinate information gathered by sense organs, locomotion, and most internal body activities.
Industry:Biology
