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.
Fusion is the process which sun use to produce energy
Which of the following statements is part of the cell theory?<span>All cells come from pre-existing cells.</span><span>Cells are the basic units of living things.</span><span>All living things are made up of one or more cells.</span> The Answer is ALL three of them!
The correct answer is B. Rabbit and grasshopper
Explanation:
In ecosystems, primary consumers refer to organisms that eat producers, which are in the first level and include plants as they produce their own energy. Due to this, primary producers include mainly herbivore animals such as cows, goats, sheep, etc. Moreover, primary consumers are the prey of other animals, which are known as secondary consumers. In the image presented, the primary consumers include the grasshopper and the rabbit because the arrows indicate they feed exclusively on grass, which is the producer of this food web.
One bad thing is animals lose their homes
