Phylum Arthopoda
Symmetry of arthropods.
What is bilateral?
Three examples of crustaceans.
Water fleas, crab, lobster, shrimp, krill, isopods (roll poly bugs), barnacle
Name a parasitic arachnid.
What is a mite or tick?
Number of legs in insects.
What is three pairs or six?
Circulatory system found in all arthropods.
What is an open circulatory system?
Number of body segments in most arthropods.
What is three?
Crustaceans have how many pairs of antennae?
What is two pairs.
What is 6 pair or 12?
4 pairs of walking legs and 2 pair of specialized appendages.
Number of pairs of antenna for uniramians.
What is one?
Molecule found in the exoskeleton of all arthropods.
What is chitin?
Characteristic of arthropod appendages.
What is they are jointed?
The fused head and thorax of crustaceans is covered by this protective structure. (Think of our dissection lab)
What is the carapace?
Defining feature of chelicerates.
What are pincer-like mouth parts or chelicerae?
Insect eyes. (what type?)
What are compound eyes?
Fused head and thorax.
What is the cephalothorax?
Name three subphyla of Arthopods.
What are Crustacea, Uniramia and Chilicerata?
Specialized anterior appendage of crustaceans.
What is the cheliped?
Appendage used for sensing since spiders lack antenna.
What are pedipalps?
Function of Malpighian tubules.
What is to rid an insect of (nitrogen) waste?
Function of gills in aquatic arthropods. (Do not say to breathe)
What is gas exchange with the water - get rid of CO2 take in O2 .
How an arthropod grows.
What is molting?
Crustacean that is a keystone species in the Antarctic food chain.
What is krill?
Reason horseshoe crab blood is helpful to humans.
What is it detects bacterial toxins? or
What is it clots in the presence of bacterial toxins?
or What is it can tell if something is contaminates with bacteria?
Tubes and holes that make up the respiratory system of insects.
What are trachea(tubes) and spiracles(holes)?
Organ that spiders use to make silk.
What is a spinneret?