BISC 101 FINAL EXAM QUESTIONS WITH
COMPLETE SOLUTIONS.
Positive feedback example
giving birth and blood clotting
negative feedback example
shivering
conformer
An animal that allows its internal condition to vary with certain external changes.
regulator
An animal that uses internal control mechanisms to moderate internal change in the face of
external fluctuation. (otter, camel, bear)
countercurrent heat exchange
arteries and veins close together/cold venous blood warmed by arterial blood before going to
body core (penguins, camels)
what contributes to the osmoregulation in freshwater and marine fish?
gain of water through food
what is the ability of the rectal gland?
it can absorb Na, K, and Cl
malphignian tubules
,process pre-urine which is further processed by hindgut
autotroph
An organism that makes its own food
heterotroph
An organism that cannot make its own food.
photoautotroph
organism that uses energy from sunlight to convert carbon dioxide and water to carbon
compounds
chemoheterotroph
aerobic respiration (fungi, animals, bacteria)
volume increases more rapidly than ___ ___
SA
large animals have less ___ ____
gas exchange
salmon breathe through a ___ ___ ___
highly folded membrane
adaptations to increase SA
gills, branching capillaries, intestinal folds
site of gas exchange
, lungs, gill, tracheoles
nutrient absorbption
S intestine
heat exchange
blood vessels
homeostasis sensor
detects internal or external environment
homeostasis integrator
evaluates sensor info, decides if action is needed
a setpoint is equal to a ___ ___
normal value
homeostasis effector
mechanism that helps restore desired condition
site of effectors
blood vessels
shivering
chemical signals
site of sensors
COMPLETE SOLUTIONS.
Positive feedback example
giving birth and blood clotting
negative feedback example
shivering
conformer
An animal that allows its internal condition to vary with certain external changes.
regulator
An animal that uses internal control mechanisms to moderate internal change in the face of
external fluctuation. (otter, camel, bear)
countercurrent heat exchange
arteries and veins close together/cold venous blood warmed by arterial blood before going to
body core (penguins, camels)
what contributes to the osmoregulation in freshwater and marine fish?
gain of water through food
what is the ability of the rectal gland?
it can absorb Na, K, and Cl
malphignian tubules
,process pre-urine which is further processed by hindgut
autotroph
An organism that makes its own food
heterotroph
An organism that cannot make its own food.
photoautotroph
organism that uses energy from sunlight to convert carbon dioxide and water to carbon
compounds
chemoheterotroph
aerobic respiration (fungi, animals, bacteria)
volume increases more rapidly than ___ ___
SA
large animals have less ___ ____
gas exchange
salmon breathe through a ___ ___ ___
highly folded membrane
adaptations to increase SA
gills, branching capillaries, intestinal folds
site of gas exchange
, lungs, gill, tracheoles
nutrient absorbption
S intestine
heat exchange
blood vessels
homeostasis sensor
detects internal or external environment
homeostasis integrator
evaluates sensor info, decides if action is needed
a setpoint is equal to a ___ ___
normal value
homeostasis effector
mechanism that helps restore desired condition
site of effectors
blood vessels
shivering
chemical signals
site of sensors
