Cold air usually pushes warm air because cold air has a HIGHER DENSITY
<span>a. chemicals produced by neurons that function as hormones—neurohormones
b. chemicals that act locally on nearby cells—paracrine factors
c. chemicals secreted by presynaptic terminal—neurotransmiters
d. influences same cell type from which it is secreted—autocrine agent
e. chemical secreted into the blood by specialized cells; travels some distance to target tissues—endocrine hormones</span>
It has a neurotic....which on hydric pressure....releases.....and paralise the prey......and thus able to eat or defense as well !
We have food water and air. We also have shelter.
Food,Water,Shelter,Air is the answer.
