The main 'job' of the endocrine system in most animals is to moderate and send out chemicals that affect other organs, tissues, and organ systems of the body.
Answer: Positive effects: Disease prevention, agriculture, transplants, pharmaceuticals
Negative: Herbicides, pesticides, mutations
Explanation:
<span>B. He needs to take extra precautions when standing up because of possible orthostatic hypotension and resulting injury from falls.</span>
Answer:
frequency of the blue (B) allele 
frequency of the red (R) allele 
The number of blue plants expected is 
The number of red plants expected is 
The anticipated number of violet plants is 
Calculated chi square value
Explanation:
Frequency of blue allele is
Frequency of blue allele is equal to sum of frequency of BB and half of frequency of BR

Frequency of other allele

Chi Square test
See the attached file
The number of blue plants expected is 
The number of red plants expected is 
The anticipated number of violet plants is 
Calculated chi square value