Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/20

Click to flip

20 Cards in this Set

  • Front
  • Back
Body Plan of some sponges. Not common
asymmetrical
Body plan of some protists, sea aneomes.
sperical symmetry
Body plan of cnidardia and ctenophora
radially symmetrical
Body plan of rapidly moving animals, humans
bilateral symmetry
Fluid filled spaces
body cavity
Animals that lack an enclosed body cavity
acoelomates
Have abody cavity in which internal organs are suspended in liquid.
pseudocoelomate
Animals that have a body cavity that develops within the mesoderm. Has both internal and external muscles
coelomate
Sponges, sessile, loosely organized
porifera
Have two cell layers, a blind gut (mouth and anus the same)jellyfish, sea anemones, coral, carnivores
cnidarians
Sessile stage of a cnidarian. Has a cylindrical stalk attached to the substratum. Reproduce by budding.
polyp
Free-swimming stage of a cnidarian life cycle. Typical jellyfish looking thing.
medusa
Precursor to a polyp. Cnidarian larva.
planula
Class of animals that contain sea anemone and coral
Anthozoan
Comb jellies, simplest animal to have both mouth and anus.
Ctenophores
Protostomes that grow by adding to the size of their skeleton. Have free living trochophore larva.
Lophotrochozoans
Flatworms, the simplest lophotrochozoans
Platyhelminthes
Related to flatworms, small, bilateral, free-living marine and freshwater animals.
tubllaria
External parasites of fishes and other aquatic vertebrates.
monogenea
bilatterally symmetrical, unsegmented, pseudocoelomate lophotrochozoans
rotifers