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.
Both auxin and cytokinin are used to increase size of stem and fruits
Answer:
pointing up labeled 3 N, an arrow pointing right labeled 2 N, an arrow pointing
Explanation:
pls mark as brainlist
Explanation:
Selection pressure means factors that contribute to selection which variations will provide the individual with an increase chance of surviving over others. Because of selective pressures, organisms with certain phenotypes have an advantage when it comes to survival and reproduction. Over time, this leads to evolution.
Let's look at the definitions of each one. Then use the definitions to answer the question.
A. Diabetes: a disease in which the body’s ability to produce or respond to the hormone insulin is impaired, resulting in abnormal metabolism of carbohydrates and elevated levels of glucose in the blood and urine.
B. Sickle cell disease: a severe hereditary form of anemia in which a mutated form of hemoglobin distorts the red blood cells into a crescent shape at low oxygen levels. It is most common among those of African descent.
C. Down syndrome: a congenital disorder arising from a chromosome defect, causing intellectual impairment and physical abnormalities including short stature and a broad facial profile. It arises from a defect involving chromosome 21, usually an extra copy (trisomy-21).
D. Cancer: the disease caused by an uncontrolled division of abnormal cells in a part of the body.
a malignant growth or tumor resulting from the division of abnormal cells.
So your answer would be C. Cancer.
Hope this helped,
-Anime
