Biology; Chapter 6; Response And Regulation. Flashcards
0
Q
The information from the sense organs is sent to…
A
The central nervous system (the brain and spinal cord) as electrical signals, along neurones.
1
Q
Sense organs are…
A
Groups of receptor cells that respond to specific stimuli.
2
Q
Plants respond to …
A
- Light (phototropism)
- Gravity (gravitropism)
These responses are caused by hormones.
3
Q
Animals need to keep certain conditions…
A
So their bodies can work effectively.
Eg. Temperature, glucose levels and water levels
4
Q
Diabetes is a condition caused by…
A
The lack of the hormone insulin. If this is untreated, blood sugar levels can rise to a fatally high level.
5
Q
Blood sugar control is an example of
A
Negative feedback.
6
Q
The skin has an important role in…
A
Temperature control.
