How do sponges protect themselves from predators?
Release chemicals into the water
What body part do all Cnidarians have?
Tentacles
Platyhelminthes worms are what shape?
Flat
What special plant do roundworms especially like?
Tomatoes
Eyeworms can be found in humans but what other animal?
Baboons
Sponges belong to the order, Porifera, which means ___.
Tiny pores are all over its body letting in water
How do Cnidarians get their food?
Tentacles catch prey and poison it.
Special cells on the side of a flatworm can detect what two things?
1) chemicals in the water, 2) tell which way the water is flowing
How does the hookworm get into people?
Through the feet.
Filarial worms get into the human lymph system and cause what disease?
Elephantiasis
What is the feeding method of sponges?
Filter feeder
True or False: Cnidarians have a tiny brain.
True or False: Cnidarians have eyes to see objects.
False: no brain
False: no eyes, only eye spots
Flatworms that eat the blood of other animals are called ___.
Parasites
These animals are affected by roundworms: Horse, Cattle, Pigs, Dogs. What are the other two?
Cats and chickens
What organisms somersaults along to move around.
Hydra
In what two ways can sponges benefit humans?
Used for cleaning and antibiotics in the sponge fight cancer and other diseases.
Cnidarians have ____ symmetry.
Radial symmetry
How does a flatworm get rid of the waste in its body?
Through its mouth
We get trichinosis round worms from what?
Uncooked meat especially pork
Corals are made of what substance that makes them hard on the surface.
Calcium carbonate
In what two ways are sponges different from other animals?
1. No mouth of gut, 2. no specialized organ systems or tissue
Cnidarians have two different stages, the ___ and the ___.
Polyp and medusa
The muscular tube in the front of a flatworm is called the ___
Pharynx
What fraction of people in the world are affected by roundworms?
1/4 th
Coral reefs are useful for: 1) hide fish, 2) protect land from ocean waves, 3) filter drinking water, 4) make medicines, 5) _____.
Make jewelry or build houses