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Chap 2 Invertebrates


How do sponges get food? through pores and collar cells
What kind of body plan does a flatworm have? bilateral symmetry
What is a characteristic of all cnidarians? they have stinging cells
What kind of annelid worm is most familiar to us? earthworm
What do all annelid worms have in common? they have segmented bodies
What kind of animals use a radula? snails and slugs
What characteristics did arthropods get their name from? they have jointed limbs
Which animals do not have mandibles? spiders
What is the largest class of arthropods? insects
What type of symmetry do all adult echinoderms have? radial symmetry
How are sea cucumbers different from other echinoderms? they have a wormlike shape
What kind of echinoderms have a shell like endoskeleton? sea urchins and sand dollars
Which circulatory system pumps blood into sinuses? open circulatory system
Which kind of animal changes it symmetry when it becomes and adult? echinoderm
What is it called when 2 sides of an animal's body mirror each other? bilateral symmetry
Which is not a stage of metamorphosis? nymph
What can a compound eye see? images
Where do most animals digest food? gut
What is something neurons do not do? digest food
What can a tarantula's bristles not detect? an image
What do all arthropods have? specialized parts jointed limbs exoskeleton well developed nervous system
A fluke can be what.... a parasite
Arthropod means .... jointed foot
The organs of many invertebrates are in the body cavity called this... coelom
Why are marine worms called polychaetes? they have many bristles
What does the word invertebrate mean? an animal has no backbone
What do parasites feed on? living animals
The ganglion is a what? A bundle of nerves
What protects mollusks that don't have shells? the mantle
What do the bristles help an earthworm do? move
What helps a sea star move, eat and breathe? a simple nervous system
What kind of skeleton is like a suit of armor? exoskeleton
What can a simple eye detect? light
What is a mandible? mouth part
What animal does not go through complete metamorphosis? grasshopper
Name the feeler that senses touh, taste or smell antenna
Name the organ that can see images complete eye
Which metamorphosis has a larval stage? complete metamorphosis
Which metamorphosis has a nymph stage? incomplete metamorphosis
Name the simplest invertebrates sponge
Planaarians, fluckes and leeches are all this kind of worm? flatworm
What are the most familiar annelids? earthworms
What organisms can be a medusa or a polyp? cnidarians
Gastropods, bivalves and cephalopods are all what.... millusks
What has jointed limbs? arthropods
What all have chelecerae and cephalothorax? arachnids
What animals go through incomplete metamorphosis? grasshoppers
Created by: ellist