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Wildlife Nutrition > Thermoregulation > Flashcards

Thermoregulation Flashcards

0
Q

What classes of animals are warm blooded?

A

Birds, mammals, marsupials, monotremes

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1
Q

What is an animal that maintains a constant core body temperature despite wide fluctuations in the environmental temperature called?

A

Homeothermic or hemeotherm (warm blooded)

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2
Q

What is a bird’s core body temperature?

A

40 degrees celcius

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3
Q

What are mammals’ core body temperature?

A

38 degrees celcius

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4
Q

What are marsupials’ core body temperature?

A

34 degrees celcius

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5
Q

What are monotremes’ core body temperature?

A

30 degrees celcius

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6
Q

What is an animal with labile body temperature which follows changes in ambient environmental temperature called?

A

Poikilotherm (cold blooded)

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7
Q

What species of animals are cold blooded?

A

Amphibians and reptiles

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8
Q

What are animals that maintain a fairly constant body temperature by moving between sun and shade called?

A

Behavioral homeotherms

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9
Q

What is an animal whose body temperature is determined by heat derived from body metabolic activity called?

A

Endotherm

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10
Q

What is an animal whose body temperature is determined by heat sources external to the body called?

A

Ectotherm

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11
Q

What has been reached when a homeothermic animal cannot lose sufficient body heat to maintain a stable body temperature?

A

Upper Critical temperature (UCT)

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12
Q

What has been reached when a homeothermic animal loess body heat to the environment faster than it is able to produce heat?

A

Lower critical temperature (LCT)

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13
Q

How happens when the UCT has been reached?

A

Food intake reduced and sweating or panting ensues

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14
Q

What happens when the LCT is reached?

A

Metabolic rate rises, increase food intake, shivering

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15
Q

What is a homeothermic animal in when it can maintain a stable body temperature without increasing metabolic heat production by increasing rate above maintenance levels?

A

Thermoneutral Zone

16
Q

What is a homeothermic animal in when is can maintain a stable core body temp without increasing metabolic heat production above maintenance metabolism and without employing any behavioral strategies to conserve or dissipate heat?

A

Thermal comfort zone

17
Q

Name four states at which an animal is at it’s basal metabolic rate

A

At rest, post-absorptive, in a thermoneutral environment, without physical or psychological stress

Wildlife Nutrition (7 decks)

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