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ZLY621S - ZOOLOGY 2 - 1ST OPP -NOV 2022 |
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nAm I BI A un IVE RSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTYOF HEALTH,APPLIEDSCIENCESAND NATURALRESOURCES
DEPARTMENT OF AGRICULTUREAND NATURAL RESOURCESSCIENCES
QUALIFICATION: BACHELOROF NATURALRESOURCESMANAGEMENT
QUALIFICATION CODE: 07BNRS
LEVEL: 7
COURSECODE: ZLY621S
COURSENAME: ZOOLOGY2
DATE: NOVEMBER2022
DURATION: 3 HOURS
MARKS: 150
FIRSTOPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S} Mr. R Kavari
MODERATOR: Mrs. Louise Theron
INSTRUCTIONS
1. Answer ALL the questions.
2. Write clearly and neatly.
3. Number the answers clearly.
PERMISSIBLEMATERIALS
1. Examination question paper
2. Answering book
THIS QUESTION PAPERCONSISTSOF 4 PAGES(Excluding this front page)
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SECTION A: Terminology
QUESTION 1
Give the correct zoological term for each of the following descriptions:
1.1
An act or process where birds shed off worn feathers and snakes shed off old skin to
make way for a new growth.
(1)
1.2
A type of snake venom that attacks the body cells or tissues; extremely painful, with
much swelling and marked symptoms of shock.
(1)
1.3
When an animal looks like something else that is meant to be seen (not hidden). For
example, a harmless moth might look like a dangerous wasp. A tasty butterfly may look
like one that is full of nasty toxins. The animal is not protected by hiding, it is protected
by being mistaken for something a predator will avoid because it's dangerous or tastes
bad.
(1)
1.4
A term given to indicate that an animal is active at dusk and dawn.
(1)
1.5
A group of females together at centre of society and where males are on periphery
(only allowed in for mating) e.g. Elephants.
(1)
1.6
Area occupied by an individual/group over time (usually for feeding)/where animals
(1)
roam periodically to meet their daily needs.
1.7
The use of urine, dung or glandular secretions to mark an object or partner to show
(1)
ownership or declare presence by smell.
1.8
A group of females with young ones only. e.g. as observed in impalas.
(1)
1.9
A word used to refer to vertebrates that have special adaptations to climb trees.
(1)
1.10 Study of the role of biotic and abiotic interactions that influence animal distributions.
(1)
(2 Words)
(10]
QUESTION 2
Give the scientific name of each of the following mammals (spelling counts):
2.1
Cheetah
(1)
2.2
Ardvark
(1)
2.3
Honey badger
(1)
Give the supercohort and order to which each of the following mammals belongs (spelling
counts):
2.4
Procavia capensis
(1)
2.5
Ga/ago moho/i
(1)
2.6
Antidorcas marsupialis
(1)
[6]
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QUESTION 3
Clearly distinguish between the following (Use realistic examples):
3.1
Imprinting vs. Conditioning
(2)
3.2
Altricial vs. Precocial chicks
(2)
3.3
Pre-Orbital glands vs. interdigital glands
(2)
3.4
Diurnal vs Nocturnal
(2)
3.5
Striking distance vs Flight distance
(2)
[10]
QUESTION 4
4.1
As an environmental education officer at Okatjikona EE center, clearly explain to a
group of visiting students, the differences between tortoises, terrapins and turtles,
with regard to their habitat, physical appearance and what they feed on.
(9)
4.2
Explain how birds use their tails to aid their survival.
(4)
4.3
Clearly differentiate between a true endemic and a near-endemic species.
(2)
4.4
Give both the common and scientific names of the Namibian endemic ground
squirrel, and give one characteristics you as a tour guide in Etosha National Park can
use to distinguish it from the similar-looking South African ground squirrel, that also
occurs in Etosha.
(3)
[18)
SECTION B: Ethology
QUESTION 5
5.1
Whatever form it may take, language is the primary link between members within
social units. Animals are constantly sending each other signals. Name the 4 forms of
communication that animals use to send messages to one another and provide a
practical example for each. (i.e. form of communication, message, purpose of message)
(12)
5.2
Name and use a realistic example to explain the 4 aspects that tell us why animals
behave in a particular way at a particular time.
(8)
[20)
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QUESTION 6
6.1
Describe the parent-offspring behaviour of Loxodonta africana.
(5)
6.2
Briefly describe how Ga/ago moholi communicate with each other.
(3)
6.3
Provide common characteristics that links animals in the order primates.
(4)
6.4
Describe the social organisation of rock dassie.
(5)
[17)
QUESTION 7
7.1
Compare the hunting strategies of the following carnivores:
[9)
7.1.1 Cheetah
7.1.2 Spotted Hyaena
7.1.3 African Wild dogs
QUESTION 8
8.1
Ruminants have superior ability to convert indigestible cellulose into digestible
carbohydrates. Briefly discuss 3 further advantages of ruminant digestion.
(3)
8.2
Explain (with an example) a solitary+ territorial social organization found in Bovidae.
(7)
[10)
QUESTION 9
9.1
Provide 3 clear behavioural differences between the black rhino and white rhino.
(6)
9.2
Briefly discuss the behaviour between zebra mares and their offspring from the time
of birth to the end of association.
(5)
9.3
Briefly describe the territorial posture/display as performed by wildebeest bulls.
(3)
[14)
SECTION C: Adaptations to different lifestyles
QUESTION 10
10.1 Adaptations help organisms survive in their ecological niche or habitat. Use
appropriate examples to distinguish between anatomical, behavioural and
physiological adaptations.
(6)
10.2 Define adaptive convergence and
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make use of (a) Oceanic vertebrates and (b) Aquatic vertebrates to demonstrate it.
(6)
10.3 Name any 2 structural adaptations found in fossorial animals and explain how each
adaptation is useful.
(4)
10.4 What are the advantages of the ability to swim and dive in animals?
(3)
10.5 Explain the seasonal adaptations that will take place in the body of an animal
(2)
preparing for hibernation.
10.6 What are the advantages to species that can run fast and far?
(3)
[24)
SECTION D: Zoogeography
QUESTION 11
11.1 Name 6 possible ways in which animals can become distributed.
(6)
11.2 Write a short essay to discuss the advantages and disadvantages of biological pest
(6)
control, using examples. (Refer to movement/translocation of animals.
[12)
TOTAL [150)
End
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