animal bio - 6
Terms in this set (21)
An animal that uses internal control mechanisms to moderate internal change in the face of external fluctuation.
An animal that allows its internal condition to vary with certain external changes.
Process of maintaining an internal temperature within a tolerable range.
The control of water balance.
an animal whose body temperature varies with the temperature of its surroundings
widening of blood vessels
narrowing of blood vessels
the exchange of a substance or heat between two fluids flowing in opposite directions
brown adipose tissue
masses of specialized fat cells packed with pigmented mitochondria that produce heat instead of ATP
solution with a greater concentration of solute
lower solute concentration
the movement of water is equal in both directions
one or more layers of epithelial cells specialized for moving particular solutes in controlled amounts in specific directions
organ in marine birds and reptiles that removed excess salt
An organism that is internally warmed by a heat-generating metabolic process
An animal whose body does not produce much internal heat
what feedback system is more common in vertebrates?
why would you expect someone living in a cold climate to have a larger percentage of brown fat
brown fat is more important for non-shivering thermogenesis
generation of heat
the use of brown fat to increase heat production
muscle activity increases heat production; muscles working - release heat