Glossary of Terms
The rear section of a grasshopper, housefly or other insect.
The structures or behaviors of an organism that are suited to a particular environment.
One of a pair of "feelers"on an insect's head. (plural: antennae)
The opening at the end of an animal's digestive system where waste leaves the body.
A chain of small bones that run along the center of the back of a vertebrate. Also called the spine or spinal column.
The application of mechanics and machinery knowledge to the struc ture and functions of living things.
The hard tissue that forms the skeleton of vertebrates.
The organ in an animal's head that controls and regulates the body's activities.
A spur on the inner side of a bat's ankle that helps support the wing membrane.
A way of hiding by blending in with the surrounding environment.
A tough, flexible tissue that supports the fins of a platypus, as well as your nose.
Special skin cells that change a chameleon's color.
An organ into which an animal's digestive, urinary and reproductive systems empty, and that opens to the anus.
Having a body temperature that rises or falls with the temperature of the surrounding environment.
An eye that's made up of many tiny, simple eyes that work together to form an image.
A saclike area in an insect's gut where food is stored before it's digested.
The breaking down of food into forms the body can use.
A system that bats use to navigate and find food.They give off high pitched sounds, then interpret the echoes.
A skeleton that's inside the body (like your skeleton).
The design, construction and operation of structures and machines, using scientific principles.
The tube that leads from the throat to the stomach or crop.
The hard outer covering that makes up the skeleton of insects and some other animals.
The change in the genetic make-up of a population of organisms over time.This process of change is driven by natural selection.
A bird's body covering. Each feather is made up of a hollow rod with two rows of light, soft barbs.
The third segment of an insect's leg.
The hairy coat of a mammal.
Groups of nerve cells that act as brains in insects.
The breathing organs of a water living animal. Gills exchange gases between body fluids and the surrounding water.
A mammal's outermost covering, made up of threadlike growths on the skin.
The hard, pointed structure that grows on the head of some animals and is used for self-defense.
The upper bone of an animal's front leg.
An animal that breathes air, has anexoskeleton, three body segments, three pairs of legs, two sets of wings (usually),a pair of antennae and compound eyes.
The tubelike part of the digestive system between the stomach or crop and the cloaca or anus.
An animal that has no backbone.
The tough protein that makes up hair, nails, scales, horns and hooves.
labra / labia
The upper and lower plates that form insects' lips.
1. The part of the respiratory (breathing) system that contains an animal's "voice box."
2. The "voice box" of some animals.
A human-made system or device made up of fixed and moving parts that perform tasks.
A warm-blooded vertebrate that grows hair on its skin and (in females) produces milk for its young.
One of a pair of jaws in insects and beaked animals, such as the giant squid.
The end of a giant squid tentacle.
One of a pair of mouthparts located just behind an insect's mandibles.
Body tissue made up of bundles of cells or fibers that move body parts by lengthening and shortening.
Long fibers or bundles of fibers that transmit messages between the brain and the rest of the body.
The system of nerves, ganglia and (in vertebrates) the spinal cord and brain. It regulates and coordinates all the body's activities.
A living being.
The organ that produces eggs in females.
The part of the digestive tract that connects the mouth with the esophagus.
Adapted for holding, especially by wrapping around, like a chameleon's tail.
The last segment of an insect's legs.
A long, tubelike structure on an invertebrate's head.
The tooth-lined tongue of a giant squid.
A cold-blooded vertebrate that lays eggs and has scales or plates on its skin.
The interchange of gases between a cell and its environment, or between an animal and its environ ment (known as breathing).
A mechanical device that resembles a living animal and moves automat ically or by remote control.
One of the small, platelike structures that cover reptiles.
A hard structure that supports and shapes an animal.
An individual in group, used as an example of the whole.
The central pathway of a vertebrate's nervous system, it runs from the brain through the backbone.
The openings on an insect's sides where air enters the respiratory system.
A saclike organ that digests food.
One of a pair of long, thin, flexible structures that giant squid use to feel and to grab food.
The middle segment of an insect, where the legs and wings attach.
The fourth segment of an insect's leg.
A tube that carries air to the lungs (in a vertebrate) or to other body tissues (in an insect).
A sound frequency that's too high for humans to hear.
One of a chain of bones that make up the backbone. (plural: vertebrae)
An animal that has a backbone.
Having a warm, constant body temperature that doesn't depend on the outside environment.