Answer:
The earthworm's body is divided into segments. Each segment has a number of setae or very small bristles that earthworms use to help them grip the soil as they move. An earthworm moves by using two different sets of muscles. ... The earthworm uses its circular muscles to lengthen and push itself forward again.
Answer: A- Disruptive selection
Explanation: Disruptive selection increases genetic variation as the population begins to be more different when selection existing in nature chooses multiple phenotypes reaching the highest degree which each have particular benefits. However, they tend to make single-celled life form that has interposed characteristics to produce smaller offspring while allowing the organisms that have the highest degree of characteristics to produce more offspring.
The distance measured from the tip of the nose to the earlobe and from the earlobe to the xiphoid process
Inserting NGT can gain access to the stomach and its content. Draining of stomach content is possible, decompression or obtain a specimen of the gastric content is possible. This can allow gastric immobility and gastric obstruction to be identified. This is usually contraindicted to patients with facial trauma due to possibility of inserting the tube intracranially. Complications that can be expected are aspiration, trauma.
