Zoology Test #2
Study Guide
Date of Test: Monday, May 17th
Format of Test: 25 MC questions, 5 short answer questions, 1 essay question, 5 animal of the day (extra credit)
Point Value: 50 points
You will be permitted to use both sides of a 3” x 5” notecard on the test. The notecard must be handwritten.
The following list of topics and questions are “fair game” items for the test.
Dissections: Questions dealing with these specimens will focus on their MAJOR characteristics. These questions will be
written so that if you were paying attention during the dissections you should reasonably be able to answer them.
Specimen
Crayfish
Grasshopper
Sea Star
Dogfish Shark
Perch
Frog
Turtle
Important Structures/Question
chelipeds, antennae, antennules, swimmerets, telson, uropods, green glands
What does it mean that the crayfish’s appendages are “serially homologous?”
head, thorax, abdomen, spiracles, antennae, wings
What is the function of the tracheal system in a grasshopper?
madreporite, tube feet, endoskeletal plates, water vascular system, cardiac stomach
What type of symmetry is exhibited by an adult starfish?
fins (pectoral, pelvic, dorsal, and caudal) gill arches, nares, spiracles, lateral line system
Normally, a shark opens its mouth to allow water to flow past its gills. Is it possible for the shark to
breath with its mouth closed? How?
operculum, swim bladder
How does a bony fish use its operculum? What is the function of the swim bladder?
external nares, nictitating membrane, lungs, tongue, tympanic membrane, 3-chambered heart
Why is a frog’s skin unique compared to other chordates with skin like fish, reptiles, birds, and
mammals?
trachea, lungs, liver, stomach, kidneys, intestine, eggs (female)
What is the primary advantage of a turtle’s shell? What structure(s) did the shell originally evolve
from?
Animal Phyla
Study your notes and the table(s) of characteristics that you have filled out. Questions concerning these topics will focus on the
major defining characteristics of each group of animals.
Phylum Arthropoda
What particular advantage does the exoskeleton provide for terrestrial arthropods?
Phylum Echinodermata
What is the defining characteristic of members of the phylum echinodermata. Describe the structure and function of
the water vascular system found in echinoderms.
Phylum Chordata
Class Chondrichthyes
Class Osteicthyes
Class Amphibia
Class Reptilia
Class Aves
Class Mammalia
Animals of the Day
There will also be 5 “Animal of the Day” extra credit questions.