BIOL 1902 Mid Term Questions With Complete Solutions
Benefits on predation? Correct Answers - more return for effort
- easy to digest
Benefits to migrating at night? Correct Answers - less food so
can fly
- fewer predators
- less wind
- cooler
Benefits to migrating during the day Correct Answers - feed
while flying
- can see clearer
Can you use countercurrent heat exchanger for heat as well?
Correct Answers yes, make more hot so temperature doesn't
feel as hot to them
Disadvantages of predation? Correct Answers - hard to find
- prey is well protected
- fights back
Diurnal Birds of Prey and Eyesight Correct Answers Has
"sharp" vision
- a TON of cones for visual activity
- magnifies by 2-3x
Do only birds migrate? Correct Answers no, butterflies,
dragonflies, and a few mammals (bats)
,Do Pierces work as a type of physical defence? Correct
Answers yes - cows and farmers have learned to stay away
Eating nectar requires a long ____ Correct Answers Probiscus
Examples of Body Armour on animals Correct Answers Snails
(shell), Turtles (carpus and plastrus)... but also Tent Caterpillars
(they have soft hairs which prevent people from eating it) and
also Porcupines (with their quills)
Examples of Plant "armour" Correct Answers Bark, Hard coats
on acorns/walnuts
For animals whose body temperature cannot go below zero, how
do they survive over winter? Correct Answers They do
Behavioural Freeze Avoidance
- like dormancy
(AKA Hibernaculum)
How are thermal air currents created? Correct Answers by the
sun
How do animals that tend to have chemical defences advertise
it? Correct Answers with Warning Coloration
- bright colors, that are usually red, orange or yellow
How do plants use colour to advertise their defences? Correct
Answers They make their berries an attractive color when ready
to be eaten
, How do plants use growth hormones (Juvenile and Moulting) to
defend themselves? Correct Answers 1) Eating too much
Moulting Hormone (will make the insect grow too quickly)
2) Eating too much Juvenile Hormone (insect will never mature,
unable to reproduce)
How do some animals obtain chemicals (for there defences)?
Correct Answers By eating plants that contain them
- Monarch caterpillars eat milkweed
- Skunks
How has the moose adapted physically to mobility in winter?
Correct Answers Has very high long legs so they can travel
through high snow
How has the snowshoe hare adapted physically to mobility in
winter? Correct Answers has feet with a very large surface area
- like snow shoes
How is camouflage done? Correct Answers by using
Background Match
- resembling background
In summer, moose have a _________ ________ diet Correct
Answers High sodium
- tons of moisture
Owls and Night Sight Correct Answers Has large eyes which
are good
- contains lots of RODS
Benefits on predation? Correct Answers - more return for effort
- easy to digest
Benefits to migrating at night? Correct Answers - less food so
can fly
- fewer predators
- less wind
- cooler
Benefits to migrating during the day Correct Answers - feed
while flying
- can see clearer
Can you use countercurrent heat exchanger for heat as well?
Correct Answers yes, make more hot so temperature doesn't
feel as hot to them
Disadvantages of predation? Correct Answers - hard to find
- prey is well protected
- fights back
Diurnal Birds of Prey and Eyesight Correct Answers Has
"sharp" vision
- a TON of cones for visual activity
- magnifies by 2-3x
Do only birds migrate? Correct Answers no, butterflies,
dragonflies, and a few mammals (bats)
,Do Pierces work as a type of physical defence? Correct
Answers yes - cows and farmers have learned to stay away
Eating nectar requires a long ____ Correct Answers Probiscus
Examples of Body Armour on animals Correct Answers Snails
(shell), Turtles (carpus and plastrus)... but also Tent Caterpillars
(they have soft hairs which prevent people from eating it) and
also Porcupines (with their quills)
Examples of Plant "armour" Correct Answers Bark, Hard coats
on acorns/walnuts
For animals whose body temperature cannot go below zero, how
do they survive over winter? Correct Answers They do
Behavioural Freeze Avoidance
- like dormancy
(AKA Hibernaculum)
How are thermal air currents created? Correct Answers by the
sun
How do animals that tend to have chemical defences advertise
it? Correct Answers with Warning Coloration
- bright colors, that are usually red, orange or yellow
How do plants use colour to advertise their defences? Correct
Answers They make their berries an attractive color when ready
to be eaten
, How do plants use growth hormones (Juvenile and Moulting) to
defend themselves? Correct Answers 1) Eating too much
Moulting Hormone (will make the insect grow too quickly)
2) Eating too much Juvenile Hormone (insect will never mature,
unable to reproduce)
How do some animals obtain chemicals (for there defences)?
Correct Answers By eating plants that contain them
- Monarch caterpillars eat milkweed
- Skunks
How has the moose adapted physically to mobility in winter?
Correct Answers Has very high long legs so they can travel
through high snow
How has the snowshoe hare adapted physically to mobility in
winter? Correct Answers has feet with a very large surface area
- like snow shoes
How is camouflage done? Correct Answers by using
Background Match
- resembling background
In summer, moose have a _________ ________ diet Correct
Answers High sodium
- tons of moisture
Owls and Night Sight Correct Answers Has large eyes which
are good
- contains lots of RODS
