Simple Invertebrates
Arthropods
Worms
Bodies of invertebrates
We don't really know...
100
What percent of invertebrates make up the world?
What is 90-100% range?
100
What does arthro and pod mean?
What is joint and foot
100
What is a segment and how many can be on an earthworm?
What is an identical or closely identical repeating body part? 100-175 segments
100
What is a body cavity that surrounds the gut?
What is coelom?
100
What are the four main classes of echinoderms?
What is seastars, brittle and basket stars, sea urchins and sand dollars, and sea lillies and feather stars?
200
Define regenerate and give a creature that can do this.
What is grow back and a sponge
200
The hard external structure that covers the outside of the body of an arthropod is called a __________.
What is a exoskeleton?
200
What is a good way that leeches help people?
What is to prevent swelling near a wound?
200
What is a ganglion?
What is a mass of nerve cells?
200
What is the ribbonlike organ snails and and slugs eat with?
What is radula.
300
What are the 2 body forms of a cnidarian and what makes them different?
What is polyps are connected to the ground and the medusa can swim through water
300
What are the 4 groups of Arthropods???
What is centipedes and millipedes, crustaceans, arachnids, and insects.
300
What is another name for marine worms and what does it mean?
What is polychaetes and it means many bristles?
300
What allows animals to sense their environment and carry messages around the body controlling the animals actions?
What is neurons?
300
Which type of worms are similar to a piece of spaghetti and why?
What is roundworms and because they are long and slim.
400
What are the three major classes of cnidarians?
What is hydrozoans, jellyfish, and sea anemones and coral
400
What are the two types of eyes that an arthropod can have and what makes them different?
What is compound and simple eyes and simple eyes can not see images but compound eyes can.
400
Which type of flatworm is a parasite?
What is a fluke
400
What are eye-stalks? Think about Gary!!!
What are the rods located on the top of the head and have eyes on the top?
400
Which group of mollusks includes squids and octopuses?
What is cephalopods
500
What is 1 example of an intake of roundworms?
What is trichinella spiralis which is passed to people from infected pork.
500
What is the combination of a head and the thorax? Spell it!!!!!
What is cephalothorax?
500
What are the 3 major classes of mollusks?
What is gastropods, bivalves, and cephlapods?
500
What circulatory system does mollusks have?
What is open circulatory system?
500
What word means "spiny skinned"
What is echinoderm
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