<u>Answer:</u>
An example situation of artificial selection is "More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory".
<u>Explanation:</u>
- The process of breeding animals to acquire the desired characteristics by the external means other than natural selection and behavior of animal itself is called as artificial selection.
- The first artificial selection was carried out by Darwin when he mated penguins that would have a higher chance of breeding.
- The practice of artificial selection was existing in human civilization a long time ago.
- This process was used to use wild animals and domestic animals in battles and other household works.
<span>grouping students based on their average marks in the previous year's final exam</span>
<span>The location - he mouth of a canyon near phoenix, Arizona is </span>in an arid area, and the moderate <span>slope. So the site is <span>probably on an alluvial fan. The soils should be coarser near the mouth </span></span><span>of the canyon and <span>become finer away <span>from the <span>mouth. The soils m<span>ay be layered with </span></span></span></span></span>interbedded sediments including gravels, sands, silts and clays.
<span>Answer:
Turning from side to side will change the position of the catheter, thereby freeing the drainage holes of the tubing, which may be obstructed. Drinking a glass of water and deep breathing and coughing do not influence drainage of dialysate from the peritoneal cavity. The position of the catheter should be changed only by the primary healthcare provider.</span>