Echinoderms
_______ act like suction cups allowing locomotion, gas exchange and are part of the water vascular system.
What are tube feet?
Body covered with a hard skeleton made of chitin.
What is an exoskeleton?
Types of eyes insects have.
What are compound eyes?
Spiders use _________ to immobilize prey and is a defense mechanism.
What is venom?
Number of eyes a spider typically has.
What is 8?
The class that Sea Stars and Brittle Stars belong to.
What is Stelleroidea?
The type of circulatory system arachnids have.
What is an open circulatory system?
No other class of arthropods has ________.
What are wings?
This species of spider is known for eating its mate after mating.
What is a black widow?
This word translates to "thousand legged creature."
What is millipede?
Examples of organisms found in the Echinodea class
What are sand dollars and sea urchins?
Have muscles that allow flexion and extension of appendages.
What are jointed appendages?
The segments of an insect.
What is the head, thorax (chest) and abdomen (stomach area)?
The part of a spider that acts like fangs used to grab prey.
What are chelicerae?
This species of spider creates a panel in the ground to hide and capture prey.
What is a Trapdoor Spider?
The type of symmetry all echinoderms have.
What is radial symmetry?
Where arthropods have adapted successfully to life.
What is on land, in the air, and in water?
The system composed of tubes, with holes through the body that admit air.
What is the Tracheal Respiratory System?
Scorpions have __________ which act as modified pinchers.
What are pedipalps?
Shedding the exoskeleton to make room for growth of a new one.
What is molting?
Internal fluid-filled tubes that squeeze water into the external tube feet. Muscle contraction causes a vacuum suction in the tube feet.
What is the water vascular system?
What are Diplopoda, Chilopoda, Arachnida, Crustacea and Insecta?
Gradual change in appearance. For example, wing pads grow larger with each molt.
What is incomplete metamorphosis?
The sting of this species of scorpion can be potentially fatal to humans.
What is the Bark Scorpion?
About ______% of all animals species belong to the Phylum Arthropoda.
What is 85%?