3.6.4.1 Principles of Homeostasis and Negative Feedback Flashcards
1
Q
What is homeostasis?
A
The maintenance of internal conditions
2
Q
What is negative feedback?
A
A change from the optimum causes a response which moves towards the optimum
3
Q
What does ectothermic mean?
A
Where an organism gains heat from their environment so their body temperature fluctuates with the environment
Adapt their behaviour to suit the conditions
Expose themself to the sun
Reptiles and amphibians
4
Q
What does endothermic mean?
A
Metabollic activities take place inside their bodies which provides the heat needed