BSC 197 Final Exam Questions With
Correct Answers
What is homeostasis? - CORRECT ANSWER✔✔-Maintaining steady state
| | | | | | |
of health
| |
What are ectotherms? - CORRECT ANSWER✔✔-Organisms that require
| | | | | | | |
external factors to regulate body temperature, temperature conformers
| | | | | | |
What are some things that can play a part in ectothermy? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Sunlight, convection, conduction, shade, evaporation, ect | | | | |
What happens to an ectothermic organism when conditions do not
| | | | | | | | | |
allow maintenance of optimal temperature? - CORRECT ANSWER✔✔-
| | | | | | |
Overall activity declines until better conditions occur
| | | | | |
What are endotherms? - CORRECT ANSWER✔✔-Organism that requires
| | | | | | | |
significant metabolic activity to maintain temperature well over
| | | | | | | |
environmental conditions, temperature regulators
| | |
Which requires a larger nutrient intake, ectotherms or endotherms? -
| | | | | | | | | |
CORRECT ANSWER✔✔-Endotherms |
, What is a circadian rhythm? - CORRECT ANSWER✔✔-Roughly a 24 hour
| | | | | | | | | | |
cycle dependent on sunlight involving changes in the body
| | | | | | | |
What is key component to determine 3D shape of proteins? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Temperature
What does falling out of optimal temperature range do to enzymatic
| | | | | | | | | | |
activity? - CORRECT ANSWER✔✔-Decreases enzymatic activity
| | | | |
For animals that live in cold temperatures, how to they regulate
| | | | | | | | | | |
temperature? - CORRECT ANSWER✔✔-Retain core heat | | | | |
How do longer thinner legs regulate temperature? - CORRECT
| | | | | | | | |
ANSWER✔✔-By providing more surface area/volume and better cooling | | | | | | |
How does human thermoregulation work when they are warm? -
| | | | | | | | | |
CORRECT ANSWER✔✔-The capillaries in the skin widen allowing better
| | | | | | | | |
blood floe to skin and muscles around the sweat glands contract and
| | | | | | | | | | | |
wets the skin cooling it by evaporation
| | | | | |
What is vasodilation? - CORRECT ANSWER✔✔-When capillaries in the
| | | | | | | | |
skin widen
|
Correct Answers
What is homeostasis? - CORRECT ANSWER✔✔-Maintaining steady state
| | | | | | |
of health
| |
What are ectotherms? - CORRECT ANSWER✔✔-Organisms that require
| | | | | | | |
external factors to regulate body temperature, temperature conformers
| | | | | | |
What are some things that can play a part in ectothermy? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Sunlight, convection, conduction, shade, evaporation, ect | | | | |
What happens to an ectothermic organism when conditions do not
| | | | | | | | | |
allow maintenance of optimal temperature? - CORRECT ANSWER✔✔-
| | | | | | |
Overall activity declines until better conditions occur
| | | | | |
What are endotherms? - CORRECT ANSWER✔✔-Organism that requires
| | | | | | | |
significant metabolic activity to maintain temperature well over
| | | | | | | |
environmental conditions, temperature regulators
| | |
Which requires a larger nutrient intake, ectotherms or endotherms? -
| | | | | | | | | |
CORRECT ANSWER✔✔-Endotherms |
, What is a circadian rhythm? - CORRECT ANSWER✔✔-Roughly a 24 hour
| | | | | | | | | | |
cycle dependent on sunlight involving changes in the body
| | | | | | | |
What is key component to determine 3D shape of proteins? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Temperature
What does falling out of optimal temperature range do to enzymatic
| | | | | | | | | | |
activity? - CORRECT ANSWER✔✔-Decreases enzymatic activity
| | | | |
For animals that live in cold temperatures, how to they regulate
| | | | | | | | | | |
temperature? - CORRECT ANSWER✔✔-Retain core heat | | | | |
How do longer thinner legs regulate temperature? - CORRECT
| | | | | | | | |
ANSWER✔✔-By providing more surface area/volume and better cooling | | | | | | |
How does human thermoregulation work when they are warm? -
| | | | | | | | | |
CORRECT ANSWER✔✔-The capillaries in the skin widen allowing better
| | | | | | | | |
blood floe to skin and muscles around the sweat glands contract and
| | | | | | | | | | | |
wets the skin cooling it by evaporation
| | | | | |
What is vasodilation? - CORRECT ANSWER✔✔-When capillaries in the
| | | | | | | | |
skin widen
|
