1. goldenrod gall fly larvae
All Living Things…
CLUES!
summer
winter
5) All living
things
respond
to their
environment.
water
goldenrod
goldenrod gall
goldenrod gall fly
goldenrod gall fly larvae

2. All living things respond to ________ (stimuli) in their environment.
changes
These changes may be in their ________ environment
or their ________ environment.
external
internal
Insulin
Response
This response to change brings the organism back to equilibrium or ___________ which is a ________ internal state.
homeostasis
constant

3. All Living Things…
CLUES!
6) All living things maintain homeostasis.

4. All living organisms must maintain a stable internal environment in order to function properly.
When the body works to maintain a constant temperature, a stable blood oxygen level, or an invariable water level, it is working to achieve and retain its normal state - homeostasis.
In spite of changes in external environment the internal must stay stable.
Ex: Sweating, panting, shivering