invertebrate
an animal that does not have a backbone
parasite
an organism that lives on or in another organism,called a host and
causes harm to that organism
host
a living thing that support a parasite
mollusk
an animal with a soft body that is not divided into segments
arthropod
an animal with an outer skeleton, jointed appendages and body divided
into separate parts called segments
appendage
a part that extends out from the body such as a wing a leg an arm or
a claw
crustacean
an arthropod with two body segments and five pairs of legs
vertebrate
an animal with a backbone
cold-blooded
having a body temperature that changes with the environment
warm-blooded
having a body temperature that stays fairly constant
amphibian
a cold blooded vertebrate with wet slippery skin and two pairs of
legs able to live on both land and in water
reptile
a cold blooded land vertebrate usually with four legs and clawed toes
migrate
to move long distances each year to reach warm areas and better
feeding grounds
mammals
a warm blooded vertebrate that has hair on its body the mothers body
makes milk to feed its young