SIMPLE INVERTEBRATES
An identical, or almost identical, repeating body part.
What is a SEGMENT?
A hard outer covering.
What is an EXOSKELETON?
A hard and bony or stiff and flexible internal skeleton.
What is an ENDOSKELTON?
The most dangerous jellyfish
Sea wasp
Their body temperature depends on the environment temperature
Cool-blooded
The most familiar annelid worm.
What is an EARTHWORM?
An eye that is made up of many identical, light-sensitive units.
What is a COMPOUND EYE?
Meaning "spiny skinned" due to spines on the animals skeleton.
What is an ECHINODERM?
Wormlike creatures with many legs.
What are CENTIPEDES?
The two types of symmetry
Bilateral and radial
A special reproductory structure in which the eggs develope in annelids.
Clitellum
A feeler that senses touch, taste, or smell.
What is an ANTENNA?
An echinoderm that has globose shape with spines
What is a SEA URCHIN?
Arthropods with two set of antennae
Crustaceans
The ones without symmetry
Asymmetrical
The three major classifications of Mollusks.
What are GASTROPODS, BIVALVES and CEPHALOPODS?
The one characteristic that is unique to echinoderms and is a system of canals filled with fluid.
Ambulacral system
Ocean animals with a muscular foot that secretes a viscous substance.
Gastropods
An organism that invades and feeds on the body of another living organism, or host.
What is a PARASITE?
The four body parts of all Mollusks.
What are the FOOT (headfoot), VISCERAL MASS, MANTLE, and SHELL?
The three parts of an insects body.
What are the HEAD, THORAX, and ABDOMEN?
A type of reproduction that consists in regenerating from a body part.
Fragmentation
Arthropods with two organs in their cephalothorax that produce venom.
What are ARACHNIDS?