Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
Phylum Porifera
|
the sponges, no tissues or specialization of cells
|
|
|
Phylum Cnidaria
|
the anemones and jellyfish, radial symmetry, mouth and anus are same opening, two distinct body plans: polyp(attached) or medusa (free swimming)
|
|
|
Phylum Platyhelminthes
|
flatworms, development of bilateral symmetry, ability to move forward
|
|
|
Phylum Nematoda
|
roundworms, first advanced digestive tract with two openings, primitive "brain"
|
|
|
Phylum Mollusca
|
100,000 species including snails, clams and squid
|
|
|
Mollusca - Class Gastropoda
|
snails and seaslugs, one piece shell
|
|
|
Mollusca - Class Cephalopods
|
octopuses, squid
|
|
|
Mollusca - Class Pelecypoda
|
scallops, oysters, mussels, and clams
|
|
|
Phylum Annelida
|
segmened worms and leeches, true circulatory system
|
|
|
Phylum Arthropoda
|
insects, arachnids, and crustaceans
|
|
|
Phylum Echinodermata
|
sea stars, sea urchins, and sea cucumbers. radia symmetry, endoskeleton of calcium carbonate, no head, water vascular system for movement
|
|
|
Phylum Chordata
|
two subphyla - the invertebrates and vertebrates
|
|
|
Vertebrates - Class Agnatha
|
jawless fish
|
|
|
Vertebrates - Class Chondrichthyes
|
"cartilage fishes", sharks, skates and rays
|
|
|
Vertebrates - Class Osteichthyes
|
leathery skin, sea horses
|
|
|
Vertebrates - Class Amphibia
|
frogs, salamanders, and toads
|
|
|
Vertebrates - Class Reptilia
|
turtles, alligators, crocodiles, evolved 250 million years ago from the amphibians with complete indepedence from aquatic habitat, shelled egg
|
|
|
Vertebrates - Class Aves
|
all bird species, shelled egg
|
|
|
Vertebrates - Class Mammalia
|
all egg-laying monotremes, (opossums, koala, kangaroos), and placental mammals (humans)
|
