Invertebrate Characteristics
Echinoderms
Arthropods
Worms
Metamorphosis (Stages)
100
The two sides of its body mirror eachother.
What is bilateral symmetry?
100
Spiny invertebrates that live in the ocean.
What are Echinoderms?
100
Arthropod's hard outer covering.
What is exoskeleton?
100
Three major types of flatworms.
What are marine, flukes, tapeworms?
100
A caterpillar becomes a pupa
What is Stage 3?
200
Its body is NOT organized around its center or mirrored. (Not equal parts)
What is asymmetrical?
200
An echinoderm's internal skeleton.
What is a endoskeleton?
200
A feeler that senses touch, taste, or smell.
What is antenna?
200
The bumbs on the sides of a flatworm's head.
What are sensory lobes?
200
a larva hatches
What is Stage 2?
300
Its body is organized around the center or its body.
What is radial symmetry?
300
The circle of nerve fibers around an echinoderm's mouth.
What are nerve rings?
300
Arachnids have instead of mandibles.
What are chelicerae?
300
Can be caused by eating meat infected with a roundworm.
What is trichinosis?
300
adult body parts replace larval body parts.
What is Stage 4?
400
A mass of nerve cells.
What is ganglion?
400
The movements of a sea star's arm are controlled by it.
What are radial nerves?
400
Three main body parts of an arthropod.
What are the head, thorax, abdomen?
400
Marine worms are covered with these.
What are bristles?
400
an adult lays eggs
What is Stage 1?
500
A body cavity that contains the internal organs.
What is coelom?
500
Three examples of echinoderms.
What are sea stars, sea urchins, sand dollars?
500
Means "Pod"
What is foot?
500
Can be parasites, predators, or scavengers.
What are leeches?
500
an adult pumps blood into its wings
What is Stage 5?
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