BISC1404 Introductory Biology 2
Spring , Exam 2 predictor
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
1. Which one of these groups would not be classified as suspension feeders?
a. Bivalves
b. Urochordates
c. Cephalochordates
d. Octopuses
2. _________ are organisms with three tagmata, three pairs of legs, jointed appendages, and
were the first animals to achieve powered flight.
a. Chelicerates
b. Crustaceans
c. Nematodes
d. Chodates
e. Insects
3. Which one of the following is a lophotrochozoan?
a. Mollusks
b. Crustaceans
c. Chelicerata
d. Nematoda
e. Arthropods
4. The possession of three tagmata and two pairs of antennae is a characteristic of ________.
a. millipedes
b. centipedes
c. spiders
d. crustaceans
e. insects
5. An animal taxa with a high surface-area-to-volume ratio for efficiency of gas exchange, cuticle
to prevent dessication, and molting is the
a. Chelicerates
b. Crustaceans
c. Insects
d. Nematodes
e. Platyhelminthes
6. An animal taxa that includes compartmentalization, including a mantle, siphon and muscles for
movement.
a. Bivalves
b. Gastropods
c. Cephalopods
d. Cephalochordates
e. Arthropods
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7. Which evolutionary innovation was most significant in helping tetrapods like lizards and snakes
remain in dry terrestrial environments?
a. Endothermy
b. The amniotic egg
c. The lung
d. Bone
e. Limb specialization
8. Unlike eutherians, both monotremes and marsupials ________.
a. have some embryonic development outside the uterus
b. lay eggs
c. lack nipples
d. are found in Australia and Africa
e. include only insectivores and herbivores
9. Which group's members have both lungs and gills during their adult lives?
a. Turtles
b. Lancelets
c. Sharks, skates, and rays
d. Alligators
e. Lungfishes
10. Suppose, while out camping in a forest, you found a chordate with a long, slender, limbless
body slithering across the ground near your tent. This critter could be ________.
a. a mammal
b. a lungfish
c. a lamprey
d. an amphibian
e. a skate
11. Echinoderms use tube feed for movement and feeding. Which of the following refers to the
tube-like projections found outside the animal's body?
a. Podium
b. Aristotle's lantern
c. Maxilliped
d. Chelicerae
e. Notochord
12. Vertebrates and tunicates share ________.
a. the formation of structures from the neural crest
b. a notochord and a dorsal, hollow nerve cord
c. jaws adapted for feeding
d. a high degree of cephalization
e. an endoskeleton that includes a skull
13. A group of cells that perform a similar function are known as
a. Tissues
b. Organs
c. Organ systems
d. Organisms
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14. In a typical nerve cell, the nucleus is found in the ________.
a. axonal region
b. synaptic terminals
c. dendritic region
d. synapse
e. cell body
15. Compared with a smaller cell, a larger cell of the same shape has ________.
a. a shorter average distance between its mitochondria and the external source of oxygen
b. less surface area per unit of volume
c. less surface area
d. a smaller cytoplasm-to-nucleus ratio
e. the same surface-area-to-volume ratio
16. Which principle of heat exchange is the most important explanation for why birds look larger in
colder weather because they fluff their feathers?
a. Fluffing feathers results in less cooling by radiation because feathers emit less infrared
radiation than other tissues do.
b. Fluffing decreases the amount of heat lost by conduction when the bird makes contact with
cold objects in its environment.
c. Fluffing decreases the surface-area-to-volume ratio, thus decreasing the amount of heat
lost to the environment.
d. Fluffing creates a pocket of air near the bird that acts as insulation.
17. What explains the ability of honeybees to use heat to kill invading hornets?
a. Hornets prefer higher temperatures than honeybees.
b. Honeybees are better adapted to high temperatures than hornets.
c. Hornets are ectotherms but honeybees are endotherms.
d. Honeybees can use evaporative cooling to reduce their body temperature.
e. Honeybees are more sensitive to high temperatures than hornets.
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