Show:
Invertebrates
Cnidarians
Mollusks
Arthropods
Enchinoderms
100
a mass of nerve cells
What is a ganglion
100
what do all cnidarians have in common
What is stinging cells
100
gastropods are what animals
What is snails and slugs
100
what percent of animal species are arthropods
What is 75%
100
what is an eternal skeleton called
What is endoskeleton
200
All simple invertebrates have this digestive organ
What is a gut
200
How do sponges eat
They sweep water through their pores
200
Mollusks have a tongue covered with curved teeth called a what
What is radula
200
all arthropods have what kind of skeleton
What is exoskeleton
200
adult echinoderms have what type of symmetry
What is radial
300
What kind of symmetry does a starfish have
What is radial symmetry
300
What are the two body forms of cnidarians
What is polyp and medusa
300
What mollusk is said to be the smartest invertebrate?
What is cephalopds
300
what three main body parts do arthropods have
What is head, thorax, abdomen
300
do adult echinoderms have the same symmetry as their larva
no
400
Describe how sponges eat
Sponges eat by sweeping water into its body through pores and filtering the food
400
What body form spends most of their time attached to a surface?
What is polyp
400
Squids and octopuses have what kind of circulatory system
What is closed circulatory system
400
what is a compound eye
What is an eye composed of many light detectors
400
the name echinoderm means what
What is spiny skinned
500
What is a sponges skeleton fibers called
spicules
500
What body form do cnidarians spend most of their life as
What is polyps
500
What two animals are bivalves
What is shell fish and clams with two shells
500
whats the difference between centipedes and millipedes
What is the legs on their segments
500
name three types of echinoderms
What is sea stars sea urchins and sand dolars