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Animail Phylum

Determine by characteristics

QuestionAnswer
Are there more invertebrates or vertebrates? Invertebrates (ocean diversity over 100 million years)
What is an Animal? Only animals pass through a blastula stage in their embryonic development.
Name 3 characteristics that only animals share? Multicelled heterotrophic no cell walls
Porifera Sponges;Asymmetry;no tissues; no symmetry; no coelom/cavity; mostly marine
Cnidaria Jellyfish;coarl;anemones;hydrozoans; radial symmetry;no coelom/cavity; mostly marine
Platyhelminthes flatworms; tapeworms; bilateral; no coelom/cavity; protostome/blastopore=mouth marine;fresh;moist enviornment
Annelida segmented worms; leeches; annelid; bilateral;protostome/blastopore=mouth mostly marine;fresh;terestrial
Mollusca snail;oyster;squid;bilateral;protostomes/blastopore=mouth; marine;fresh;terest
Nematoda roundworms;bilateral;protostomes/blastopore=mouth; small in size;almost all environments;crop pests;parasitic
Anthropoda insects;spiders;mites;crab;shimp;centipedes;bilateral;protostomes/blastopore=mouth;aquatic;terestrial;skeleton made of chitin;segmented;open circulatory
Echinodermata Sea star;sea utchins;sea cucumbers;bilateral/radial symetry as adults;always marine ocean floor;deuterostomes/blastopore=anus
Chordata vertebrates lancelets seaquirls; exp frog human; aquatic;blastopor=anus; terestrial;@ some point they have a notocord dorsal nerve cord;pharygeal slits;postanaltail;bilateral;
Created by: 673491617
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