A characteristic that helps an organism survive and reproduce.
Autonomic nervous system:
-heart beats
-stomach digest
-produce bile
-feel a hot pain
-release adrenaline
-diaphragm relaxes
-colon contracts
-pancreas secretes
...............
somatic nervous system:
-make peace sign
-climb stairs
-curl tongue
-fingers curl
-point toes
-stretch arm
-fist clenches.
Answer:
wth? thats not a question
Explanation:
???
The stomata closes down at night when there is no sun and there's no photosynthesis. It also closes down when the air is dry and when it's hot so as to prevent excessive loss of water.