BY 124 SI Worksheet 9 A land snail, a clam, and an octopus all share
a. Embryonic torsion b. Distinct cephalization c. A mantle d. Gills e. A radula
Which of the following animals is most closely related to spiders?
a. Centipedes b. Scorpions c. Pill bugs d. Mosquitos e. Grasshoppers
Sowbugs are really crustaceans, not insects. Therefore, a sowbug does NOT have _____.
a. An open circulatory system b. Jointed appendages c. Three pairs of legs d. Antennae e. An exoskeleton
In most insects, gas exchange is accomplished by _____.
a. Flame bulbs b. Lungs c. Book lungs d. A tracheal system e. Diffusion across the exoskeleton
A _____ is a chordate but not a vertebrate.
a. Lancelet b. Sea star c. Shark d. Lamprey e. Frog
Which of the following chordate characteristics contributes most to the formation of your ears?
a. Notochord b. Dorsal, hollow nerve cord c. Pharyngeal slits or clefts d. Muscular, post anal tail e. None of the above
A lamprey, a shark, a lizard, and a rabbit share all the following characteristics except _____.
a. Pharyngeal clefts in the embryo b. Hinged jaws c. A dorsal, hollow nerve cord d. Vertebrae e. All of the above
What is the difference between the notochord and the dorsal, hollow nerve cord? What does each of them develop into in humans? What type of circulatory system is present in the following? Earthworm – Lobster – Shark – Human – Cricket – In what type of animal would you find a book lung? What is its purpose? What are two ways that centipedes and millipedes differ? Compare and contrast incomplete and complete metamorphosis. True or false? Tunicates retain most chordate characteristics throughout their lives. Describe the purpose of the “neural crest” in craniates
What order of insect: Has two pairs of wings, large hind legs, courtship sounds by rubbing legs together? Feeds with a long proboscis on nectar? Has one pair of wings, mouthparts for sucking, well developed compound eyes? What species of echinoderm: Has no arms but rows of tube feet for locomotion and protection. A highly complex rigid mouth for seaweed. Very little evolution throughout history? Arms radiating from central disc with tube feet. Gripping from adhesive chemicals and not suction. Eat their prey by opening up their stomach and engulfing. Considerable regenerative abilities?