study guide

Terms Definitions
Animals are many celled organisms that must obtain their food by eating other organisms
Traits of and Animal they are hetrotrophs,reperduce sexuly,move around freely,multy celluer
Things scientist look for look for to see if animals are related there development,how cells or organized, how the animals obtain food,How the animal reperduces,how the animal moves
The classes of animals that animals are put in Kingdom,phylum,class,order,famiily,gehus,species
Herbivore a animel or organism that eats plantes
Carnivore A animel or organism that eats meat
Bilatteral Symmerty Line of symmerty; the quailty of being divisible into two halves that are mirrior images
Radial Symmerty the quality of haveing many lines of symmerty that all pass through a central point
Asymmerty no Symmerty at all
Invertebrate An Animel that does not have a back bone Ex:jelly fish, worm
Vertebrate an animel with a back bone Ex:hueman or dog
Sponges Stay in one place in adulthood, get food through there bodys, there bodys have pores"holes", need oxagen to live, reproduces asexually "with out partner" or sexaully "with partners"
Cnidarians Animels whose stinging cells are used to capture their prey and defend themselves, and who take their food into a hollow central cavity
Body form of a Cnidarian 1 Polyp "body plan of Cnidarian that looks like a vase with its mouth on top of its body"
Body form of a Cnidarian 2 A Medusa "a Cnidarian with its body upside down like a upside down bowl designed for free moveing
Major group of worms Flatworms,Roundworms,Segmentedworms
Moullusks N invertabrate with a soft, unsegmented bodyl; most are protected by hard shells
Major groups of moullusks Gastropds,Bivalves,Cephalopods
Bivalves A mollusk that has two shells held together by hinges and strong muscles
Cephalopods A mollusk with feet adapted to form tentacles around its mouth
Gastropds A mollusk with a single shell or no shell
Arthropods An invertebrate that has an external skeleton,a segmented body, and jointed attachments called appendages
Major groups of Arthropds Insects, Archneds, Crustaceans
Insects Are arthropds with three body sections, six legs, one pair of antenne, and usely one or two pair of wings
Crustacean is an arthropd that has two or three boddy sections and has three pairs of appendages for chewing, and five pairs of legs
Archnid an arthropd with only two basic body parts
Echinoderms A radially symmetrical invertabrate that lives on the ocean floor and has a spiny internal skelton