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BIO 170 - Fourth Exam - Spring
2016
Links go to pertinent
passages of book.
Multiple Choice.
Place the letter of the choice that best answers the
question on the line to the left.
Two Points Each. NOTE: “e” answers are never the correct
answer.
_______
1. An
acid-filled stomach is used for
a. Water recovery b.
Predigestion c. Waste concentration
d. Breakdown for absorption
e. Measuring stress levels
_______
2. In vertebrates,
organizing motor commands and
balance are done mostly in the
a. Peripheral system b. Medulla
c. Cerebellum d. Spinal cord
e. Parts that do that stuff
_______
3. Critical processing of dominant senses
happens in the
a. Midbrain b. Paleocortex
c. Medulla d. Cerebellum
e. The Sense Processing CenterTM
_______
4. Which are
arthropod excretory structures?
a. Antennal glands & metanephridia
b. Malpighian tubules & nephrons
c. Antennal glands & malpighian tubules
d. Nephrons & metanephridia
e. The icky organs and the yucky organs
_______5.
The microbiome refers to
a. Intestinal symbionts b.
Sensory preprocessors
c. Compound eye systems
d. The first land animals
e. Um, words I was supposed to know-?
_______6.
A set of stereotyped or instinctive behaviors may be set off by
a small, particular part of a
larger stimulus. That part is called the
a. Stimulus segment b. Releaser
c. Sign stimulus d. Imprint
e. You mean like vomiting brings on the promise to never drink again-?
_______7.
Communication
within the digestive system uses
a. Motor neurons b. The medulla
c. Interneurons d. Hormones
e. An old system: flip phones
_______8.
Target
cells for tropic hormones might be found in the
a. Pituitary gland b.
Hypothalamus c. Thyroid gland
d. Spinal cord
e. Just look for the cells with the tiny paper umbrellas
_______9.
Static
equilibrium can be thought of as a sense to detect
a. Gravity b. Momentum
c. Acceleration d. Centrifugal
force
e. Whether your clothes will stick to you or not
_______10.
A dog that no longer barks when the neighbors come home has become
a. Habituated b. Sensitized
c. Acclimated d. Imprinted
e. Deaf
_______11.
The
speed of an
impulse along an axon
a. Changes according to stimulus strength
b. Varies with the power of the last synapse “jump”
c. Never changes for a given axon
d. Is reduced if directed down multiple axons
e. Goes very slow during an exam
_______12.
Compound
eyes are of particular use to animals that are
a. Close to the ground b.
Radially symmetrical c. Small
d. Sensitive to magnetism
e. Not as likely to use compound interest
_______13.
Among invertebrates, who are the "stars" as far as
intelligence in concerned?
a. Ant colonies and octopi
b. Starfish and spiders
c. Hydras and squids
d. Whales and
humans e. None o' the critters is
smart as us terbaccer-smokin' human beans!
_______14.
Myelin is used for
a. Converting ammonia b.
Resisting heat loss c. Insulating
axons d. Separating brain areas
e. Isn’t that some sort of old stringed instrument?
_______15.
Sensing of body position is called
a. Localization b. Proximate
placement c. Orientation
d. Proprioception
e. My body or someone else’s?
_______16.
Earthworms keep themselves moist with mucus carried up from ducts connected to
glands in the skin.
What sort of glands?
a. Exocrine b. Neurosecretory
c. Endocrine d. Submandibular
e. This would be much easier if "mucus" was one of the choices...
_______17.
Allergies tend to be more
dangerous depending upon
a. The nature of the allergens
b. How the allergens are introduced into the systems
c. How the response system has been “trained”
d. Which cells are the first responders
e. How much fun you find the medications
_______18.
Ultimate causation addresses
a. The last hormone in an endocrine sequence
b. How
decisions are coordinated in the brain
c. The relationship between metabolic rate and oxygen usage
d. The evolutionary development of a behavior
e. Something that sounds really important
Short Answer.
Pick NINE questions to answer in the spaces provided.
NOTE: if you answer MORE than nine, only the first nine
will be corrected.
Four Points each. Partial credit is possible.
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1. What are two different adaptations that tend
to maximize oxygen use in
poikilotherms? |
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2. What
are the two defining
features of
vitamins? |
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3.
Under
what circumstances are an animal's weapons
most likely to be nonlethal?
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4. What
are the first two steps of an
action potential
/ nerve impulse? (the action potential itself) |
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| 5. What are two types of
basic
sensory perceptions, found in other animals, that
pick
up information that humans cannot? |
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6. Give the
name and
one basic
function for each of the
classes of
white blood cells. |
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7. The
hypothalamus has
major
functions in
two different body systems. Give
one function for
each system. |
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8. The evolution of
processing in
vertebrate
brains is thought to have
gone through three major types. They are: |
________________
--------> __________________
--------> _________________ |
9. Blood
sugar levels are
too high. Briefly
explain how an
endocrine feedback system would
get that under control, then shut off. You do not need
to name specific hormones or structures - general terms are okay here.
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10. For a
gill countercurrent system,
draw the
basic set-up and show the relative concentrations and
how the transfer occurs. |
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12. What are
two senses
that involve
chemoreceptors? |
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13. Clotting of blood is
triggered
by what factor?
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14. What
two different ecosystems were most
likely the “staging areas” from which
aquatic
species evolved into terrestrial species? |
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15.
Briefly explain the
necessity of
digestive emulsifiers like bile.
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Long Answer.
Select and answer completely any four of the following
questions.
Note: if you answer more than four, only the first four
will be corrected.
Seven Points Each. Partial credit is possible.
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1.
Give three different
advantages for each - |
SOCIAL
BEHAVIOR |
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NONSOCIAL
BEHAVIOR |
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2. For
the three different animal excretory products, name the
product and then give a
circumstance
associated with excretion of that particular product. |
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3. What are three different
adaptations
found in poikilotherms that they use in
particularly cold environments?
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4.
Vertebrate blood carries several
different types of regulatory
molecules.
Give three different functions done by such molecules.
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5. Give
three sets of differences
between the typical central nervous systems of... |
| Invertebrates
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Vertebrates |
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6.
What are the three
major adaptations
made by organisms to counteract the osmotic problems of a
freshwater environment?
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7.
For three basic types of
feeding (not
the subtypes of one of the basic types!), give the
type
and an example of an animal that feeds that way. |
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8. Processing of
nitrogenous
wastes almost always follows
three steps. Give
them in order. |
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Link to Answer Key
BONUS QUESTIONS.
Answer as many or as few as you wish. You can't lose
points on the rest of the exam by getting these wrong. Partial credit is
possible.
Why is there dissolved nitrogen in the blood? Three Points.
When terrestrial animal species evolve to being aquatic,
they do not develop the ability to breathe water. Why? Three Points.
Why are they called “flame cells”? Three Points.
What was found by breaking the backs of hibernating
woodchucks? Three Points.
What is the current hypothesis about the function of the
appendix? Three Points.
What is an odd symptom of a hookworm infection? Three
Points.
What is unusual about the nerve impulses in a nerve net?
Three Points.
What exactly tends to produce age-related nearsightedness?
Three Points.
What’s the simplest object to get attacked by a stickleback
fish? Three Points.
Why would an animal be capable of communicating in a mode
that it and others of its species cannot actually sense? Three Points.
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