Show:
Vocabulary 1
Vocabulary 2
Sponges & Cnidarians 1
Sponges & Cnidarians 2
Flatworms & Roundworms
100
Animals with body parts arranged in a circle like a wheel hub have __________ symmetry.
Radial
100
What is the cnidarian body plan that is bell-shaped?
Medusa
100
Most sponges have which type of symmetry?
Asymmetry!! LOL
100
Many sponge bodies contain sharp structures. What are these structures called?
Spicules
100
What type of symmetry do flatworms & roundworms have?
Bilateral symmetry
200
These are located on the inside of a sponge & help with water movement. What are they called?
Collar cells
200
What is a scientific name for a young organism?
Larva
200
What body material helps sponges to filter their food?
Spongin
200
TRUE or FALSE: Scientists ORIGINALLY classified sponges as plants.
TRUE
200
Which type of worms cause heartworm disease in dogs?
Roundworms
300
Animals that produce both sperm and eggs are called _______________.
Hermaphrodites
300
What is the term used when an animal can replace its own body parts?
Regeneration
300
How do sponges reproduce?
Asexually AND sexually
300
What are the two body parts that sponges use when eating?
Collar cells & pores
300
Tapeworms do NOT have ________________.
A digestive system
400
What is the type of cnidarian body plan that is shaped like a tube or vase?
Polyp
400
What term do scientists use to describe an animal that remains attached to one place for its entire life?
Sessile
400
Where do most cnidarians live?
Oceans
400
List 5 characteristics that scientists use to classify an organism as an animal.
- Cannot make their own food - Digest their food - Many move from place to place - Have many cells - Cells have a nucleus & organelles (eukaryotic) - Can reproduce sexually
400
Which worms cause the disease schistosomiasis in humans?
Blood flukes
500
What type of animal eats ONLY other animals?
Carnivore
500
What do scientists call animals WITHOUT a backbone?
Invertebrates
500
All cnidarians have which type of symmetry?
Radial
500
What are the two body parts that cnidarians use when eating?
Mouth & tentacles
500
Classify the following into the four categories we studied in this chapter: sponge, hydra, planarian, sea anemone, jellyfish, coral, fluke, tapeworm, heartworm, nematode
Sponges: sponge Cnidarians: hydra, jellyfish, sea anemone, coral Roundworms: heartworm, nematode Flatworms: planarian, fluke, tapeworm