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Exam (elaborations)
BIOL1902 Final review / Carleton University Fall 2019 Solutions 2024
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---7August 20242024/2025A+
- Delayed Implantation involves... - Sperm being stored after mating and used to fertilize eggs later 
 
Rut Pits are... - Tunnels that moles use to catch food 
 
This is NOT true concerning Moose Antlers - Antlers are permanent structures that grow continuously and remain on a bull's head all its life 
 
State an example of a Batesian Mimicry pair - Viceroy & Monarch butterflies 
 
Leks are... - Communal display grounds where male sharp-tailed Grouse dance 
 
Nectar is? - An attractant produced ...
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Exam (elaborations)
BIOL 1902 Final Exam Questions With Complete Solutions
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---45July 20242023/2024A+
- BIOL 1902 Final Exam Questions With Complete Solutions 
What adaptation do mammals have for hearing? Very large ears 
- Foxes and Wolves 
What adaptations do Owls have for hearing? (5 things) Owls use their face 
- Called Facial Disks 
Hidden Ears 
- inside skull 
Short Bills 
- down curved bills to prevent interference with sigh and hearing
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StuviaTutors
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Exam (elaborations)
BIOL 1902 Final Exam Questions With Solutions
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---31July 20242023/2024A+
- BIOL 1902 Final Exam Questions With Solutions 
Mobility The ability to move freely through high snow 
Moose (Physical Adaption) Legs up to 2 meters high to walk through snow 
Snowshoe Hares (Physical Adaption) Large hind feet that allow the animal to walk above 
the snow 
Fisher (Physical Adaption) Northern Weasel with large hind feet
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Exam (elaborations)
BIOL 1902 Exam Questions With Complete Solutions
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---17July 20242023/2024A+
- BIOL 1902 Exam Questions With Complete Solutions 
Batesian Mimicry vs. Mullerian Mimicry Batesian: model and mimic 
Mullerian: all toxic, unrelated groupings 
Thanatosis playing dead 
Why do white tail deer and rabbits stick up their tail when running from a predator? 1 - 
distracting predators so they'll trip or smth 
2 - warning others of danger 
3 - telling the predator to give up bc they've been noticed 
tapetum lucidum Layer of cells at back of nocturnal eyes to capture more light
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StuviaTutors
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Exam (elaborations)
BIOL1902 Exam Questions With Complete Solutions
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---75July 20242023/2024A+
- BIOL1902 Exam Questions With Complete Solutions 
One adaptation animals have for hearing very large ears (external pinnae). E.g: red fox, 
wolves 
Owls do not have large external pinnae/ears but instead have hidden ears and hearing is 
one of their most developed senses. E.g: long earred owls, barred owl, great grey owl. They also 
use their faces to hear with facial disks (like satellite dishes, move sound toward the ear 
openings). 
Owls also have very small these beaks/bill so sound waves...
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StuviaTutors
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Exam (elaborations)
BIOL 1902 Midterm Exam Questions With Solutions
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---18July 20242023/2024A+
- BIOL 1902 Midterm Exam Questions With Solutions 
Cryptic The key thing to camouflage, it means when the animal is still while 
camouflaging. 
Background Matching When an animal matches their patterning to the habitat around it. 
Example of this, gray tree frogs, they blend into trees and are considered bark mimics. 
Disruptive Patterns Special patterns of colour can be used for concealment. Some birds 
have different head patterns but have the same focus which have two components. A line thro...
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StuviaTutors
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Exam (elaborations)
BIOL 1902 Exam Questions With Complete Solutions
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---16July 20242023/2024A+
- BIOL 1902 Exam Questions With Complete Solutions 
Moose go to beaver pons and shallow lakes in summer to: Acquire sodium from aquatic 
plants 
Which is NOT TRUE concerning the eyesight of hawks Hawk eyes are places on the sides 
of their head for better binocular vision (more overlap of the fields of view 
Owls have a large blind spot behind their head and can turn their heads 270 degrees 
Before a fisher eats a porcupine it skins (it removes its hide) True
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StuviaTutors
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Exam (elaborations)
BIOL 1902 Final Exam Questions With Solutions
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---27July 20242023/2024A+
- BIOL 1902 Final Exam Questions With Solutions 
Radula - A sharp component, like a chainsaw, with teeth that come out to process plant 
tissues 
- Ex: slugs and snails 
Mandibles - Modified mouthparts that are used to cut apart plant tissues 
- Ex: caterpillars (leaf blotch miners) 
Modified Teeth Teeth that have been modified to be used to eat plant material 
Incisors - Modified teeth; self sharpen 
- Ex: beavers (orange because full of iron), moose (only lower)
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