Third Grade Animals « Flashcards at Hudson.edu

Front	Back
abdomen	the rear section of the body of an insect, spider, or crustacean
adaptation	a change in an animal (or plant) so that it is better suited to survive in its environment
antennae	feelers
behavior	things that animals do (ex: raising pincers up, tucking tail under, and scooting backwards)
bristles	short hairs on the crayfish that help them sense things in their environment
carapace	main body shell of crustaceans
classification	arranging in groups or classes
camouflage	the protective coloring of an animal to help it hide or be safe
crustaceans	a class of mostly aquatic animals that have hard, flexible shells, jointed legs, and two pairs of antennae
egg pore	where the eggs come out of the female crayfish's body
elodea	an equatic plant that crayfish eat
elytra	hard, shell-like forewings; protects the Bess Beatle; delicate
exoskeleton	a hard outer covering that protects the soft organs and maintains the animal's shape
function	how something works or its purpose
habitat	a place or shelter where an animal lives
insect	any of a group of small animals without a backbone, having a body divided into three parts (head, thorax, abdomen) and six legs
life cycle	every living organism has a life cycle - goes from birth to death
mandibles	jawlike part found on the side of insect's mouth - used for chewing, seizing, and biting
metamorphosis	to change in form (ex: butterfly - egg, larva, pupa, adult)
mite	a group of tiny animals related to spiders (mites are sometimes found on the Bess Beetles)
molt	to shed the outer skin (exoskeleton) and being replaced with new growth
organism	a living thing
pincers	big, jointed, leglike structures in the front of the crayfish
reproduction	the process of producing offspring
safety procedure	the proper way to handle the crayfish and Bess Beetle so you are safe, as well as the animals
structures	the observable parts of an organism (ex: antennae, walking legs)
survival	to live
swimmerets	small leg-like structures under the crayfish's tail
thorax	the middle section of an insect - contains the wings and legs
walking legs	a crayfish has eight walking legs - these structures are used to move forward, backward, and sideways, and also for gripping and holding things