Show:
Simple Invertebrates
Mollusk and Annelid worms
Arthropods
Arachnids and Insects
Echinoderms
100
What is an animal without a backbone?
What is invertebrate
100
What is a tongue covered in teeth?
What is a radula
100
What is a hard outer external skeleton that covers the outside of a body?
What is an exoskeleton
100
What are the two main body parts of an arachnids?
What is cephalothorax and abdomen
100
A internal skeleton made of bone and cartilage.
What is endoskeloton?
200
What is bilateral symmetry?
What is what when two sides of the body mirror each other
200
What is a simple heart that pumps blood through blood vessels that empty into sinuses?
What is an open circulatory system
200
What is a feeler that senses touch,taste, or smell?
What is antenna
200
What type of symmetry do arachnids have?
What is bilateral
200
A system of canals filled with a watery fluid that circulates throughout the body of an echinoderm.
What is water vascular system?
300
What is radial symmetry?
What is a body organized around a center point
300
What is a heart that pumps blood through a network of blood vessels that form a closed loop?
What is a closed circulatory system
300
Mouth parts that can pierce and chew food?
What is mandibles
300
What are claw like mouth parts?
What is chelicerae
400
What is asymmetry?
What is an animal that isn't symmetrical
400
An identical or almost identical repeating body part?
What is a segment
400
What are the three main body parts of a arthropod?
What is a head, thorax, abdomen
400
What is the largest group of arthropods?
What is insects
400
The name echinoderm means this.
What is spiny skinned?
500
What is a concentrated mass of nerve cells?
What is a ganglion
500
An eye that is made of many identical light sensitive units?
What is a compound eye
500
How many legs do a millipede per segment?
What is 4 legs
500
What do most insects go through?
What is metamorphosis
500
In sea stars this nerve runs from the nerve ring to the tip of each arm.
What is radial nerve?