9c homeotherms Flashcards Preview

bil 360 > 9c homeotherms > Flashcards

Flashcards in 9c homeotherms Deck (5)
Loading flashcards...
1
Q

why do Mammals and birds face a different set of challenges than poikilotherms?

A

They must expend energy to
produce heat
prevent excessive heat loss
prevent overheating

BASICALLY PRODUCE HEAT BUT NOT TOO MUCH

2
Q

sensor

A

detects the temperature of the object (thermometer)

3
Q

set point (reference signal)

A

sets to the desired temperature like a thermostat

4
Q

controller

A

compares object temperature to set point and “decides” whether it is too high or too low. (thermostat)

DOES NOT MOVE TEMP IS REALLY JUST COMPARING

5
Q

effector

A

physically alters the temperature of the object, as necessary (furnace)