Some individuals in the rabbit population must evolve traits that improve their survival chances
Answer:
Explanation:
I think the answer is B middle stage
Please give me brainliest if it helped
The defecation reflex involves two postive feedback loops. these loops are the stretch receptors in the rectal walls and the sacral parasympathetic system. Defecation reflex empties the rectum by peristaltic movements push fecal matter from the sigmoid colon into the rectum. Then this distension of the rectal walls stimulates stretch receptors which results in defecation.
