BIOL 1902 MIDTERM COMPLETE EXAM (NEWLY UPDATED & VERIFIED) – CARLETON, Exams of Biology

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BIOL 1902 MIDTERM COMPLETE EXAM (NEWLY UPDATED & VERIFIED) –

CARLETON

Flocking in birds offers this benefit: Select one: a. birds never get lonely b. birds do not get lost c. flocks are able to find food more easily d. a flock provides more eyes to watch for danger and lessens the odds of any one bird being caught by a predator e. All of the above Feedback Your answer is correct. The correct answer is: a flock provides more eyes to watch for danger and lessens the odds of any one bird being caught by a predator

Question 2

Correct Question text Inchworms are caterpillars that look exactly like twigs in their shape and colour. This defence is known as: Select one: a. coincident disruptive colouration b. masquerade c. cryptic colouration d. background matching e. none of these choices are correct Feedback Your answer is correct. The correct answer is: masquerade

Feedback excellent choice! The correct answer is 'False'.

Question 5

Correct Question text Chipping Sparrows have a black line through the eye and a white stripe above it. These marks are called: Select one: a. coincident background matching patterns b. startle patterns c. cryptic patterns d. disruptive patterns e. background matching Feedback Your answer is correct.

Question 6

Correct Mark 1.00 out of 1. Feedback you are dead right on this one! The correct answer is 'False'.

Feedback that answer lights up my day! The correct answer is 'True'. Question text Insects that swim at the surface of ponds often exhibit this defence principle: Select one: a. countershading b. aposematic colouration c. masquerade d. disruptive colouration e. bicolouration Feedback Feedback Your answer is correct. The correct answer is: allow bitterns to hide in cattail marshes

Feedback Right on! They look like bird poop. The correct answer is 'True'.

Question 11

Correct Question text Which of these is NOT true concerning Batesian mimicry: Select one: a. One of the lookalikes is harmless (is safe to eat) b. The lookalikes usually have a bright or bold appearance, one easily learned by a predator c. Mimics are more common than models d. At least one of the lookalikes has a strong defence (it is not good to eat) e. Monarch and Viceroy butterflies are an example of Batesian Mimicry Feedback Your answer is correct. The correct answer is: Mimics are more common than models Your answer is correct. The correct answer is: bicolouration

Feedback Correct! They cannot shoot their quills! The correct answer is 'False'.

Question 17

Correct Question text Alkaloids and terpenoids are major types of plant defences. They differ by: Select one: a. terpenoids are chemical defences while alkaloids are structural elements b. terpenoids are structural components while alkaloids are inducible defences c. alkaloids are chemical defences while terpenoids are structural elements d. alkaloids contain nitrogen while terpenoids do not e. alkaloids are structural elements while terpenoids are chemical defences Feedback Your answer is correct. The correct answer is: alkaloids contain nitrogen while terpenoids do not Feedback Your answer is correct. The correct answer is: sequestering them from milkweed leaves

A harmless moth looks just like a harmless beetle. This is an example of: Select one: a. Batesian Mimicry b. Mullerian Mimicry c. Aggressive Mimicry d. Background matching e. none of the above Feedback Your answer is correct. The correct answer is: none of the above

Question 19

Correct Mark 1.00 out of 1. Question text When Underwing Moths open their wings, this happens: Select one: a. a hot burning spray is shot out that blinds the attacker b. fake eyes appear that make the moths look like larger animals, which startle the attacker c. a bad odour is released that makes the predator ill d. orange horns pop out that look like a snake's tongue e. bright colour patterns appear that might startle a predator Feedback Your answer is correct. The correct answer is: bright colour patterns appear that might startle a predator

Question 4

Correct Mark 1.00 out of 1.

Question 2

Correct Question text Plants become cold hardy by this process: Select one: a. freeze tolerance b. freeze avoidance c. acclimation d. dormancy e. none of the above Feedback Your answer is correct. The correct answer is: acclimation

Question 3

Correct Mark 1.00 out of 1. Question text Chipmunks and Raccoons escape cold temperatures by: Select one: a. going below the frost line b. shivering c. entering deep hibernation d. undergoing periods of torpor and/or lethargy e. all of the above Feedback Your answer is correct. The correct answer is: undergoing periods of torpor and/or lethargy Your answer is correct. The correct answer is: small mammals to better survive cold temperatures in winter

Question text In preparation for winter, Beavers do this: Select one: a. hibernate b. move out of the water and live in lodges (dens) on land for the winter c. add lots of mud to the outside of their lodge for insulation d. grow hair over their feet to keep them warm e. all of the above Feedback Your answer is correct. The correct answer is: add lots of mud to the outside of their lodge for insulation Question text Which of these animals is NOT freeze-tolerant: Select one: a. Gray Tree Frog b. hatchling Painted Turtle c. Spring Peeper d. Chorus Frog e. all of the above are freeze tolerant Feedback

Feedback you certainly do not have your head stuck in the ground! The correct answer is 'True'. Feedback Feedback Your answer is correct. The correct answer is: birds are the only animals that migrate

Question text Gulls, ducks, and geese can stand on ice without freezing their feet because of this adaptation: Select one: a. in the fall covering the feet with a thick layer of down and contour feathers b. pumping more blood into their extremities to raise their internal temperature c. developing a thick layer of white fat under the skin of the feet for insulation d. activating a counter-current heat exchanger known as the rete mirable e. all of the above Feedback Your answer is correct. The correct answer is: activating a counter-current heat exchanger known as the rete mirable That was certainly a fly-by-night question! The correct answer is 'False'.

Question text Which of these is NOT an example of how an animal stays cooler on a hot day: Select one: a. a dragonfly shunting more blood into its abdomen b. a Turkey Vulture excreting on its legs c. a Tiger Beetle raising itself higher off sand by stilting its legs d. an Arctic Fox keeping its mouth closed to retain moisture e. a Mourning Dove allowing its body temperature to rise to a hyperthermic level Feedback Your answer is correct. The correct answer is: an Arctic Fox keeping its mouth closed to retain moisture Question text The most common cryoprotectant used by animals is: Select one: a. glycerol b. sugars such as glucose c. sorbitol and other alcohols d. dormancy e. Lagavulin or other Islay single malt scotches (MMMMMM!) Feedback

Feedback you better filter through your notes again! excellent choice so no need to filter through your notes again! The correct answer is 'True'. Question text Animals in northern areas tend to be paler than animals farther south. This principle is known as: Select one: a. Allen's Rule b. Batesian's Rule c. Bergmann's Rule d. The Rule of Latitude Your answer is correct. The correct answer is: glycerol

Feedback well done! The correct answer is 'True'. Question text Select one: a. Bergmann's Rule b. counter-current heat exchanging rule c. Batesian's Rule d. Gloger's Rule e. Allen's Rule Feedback Your answer is correct. The correct answer is: Bergmann's Rule

Moose go to beaver ponds and shallow lakes in summer to: Select one: a. acquire sodium from aquatic plants b. cool down c. escape biting flies d. escape predators e. none of these choices Feedback Your answer is correct. The correct answer is: acquire sodium from aquatic plants Question text Feedback Your answer is correct. The correct answer is: American Toads burying themselves in the bottom of ponds before they freeze over