Answer:
The correct answer is option d.
Explanation:
An extinct species of australopithecine, that is, Australopithecus africanus was the first species to be illustrated. It was of gracile or slender build and was considered to have been the direct ancestor of modern humans. Like modern man, the A. africanus did stood upright and walked upright, and were having free hands to use. However, they were smaller in height and lighter in weight in comparison to modern man.
Like you might have studied. Heated hair expands while colder air contracts. So, the sound isn't able to move as efficiently in cold air than it would in warmer air.
Answer:
1.It produces silk which is a high quality fibre
2.to destroy the gelatinious substance inside cocoon so as to obtain silk thread
3.To avoid it from hatching
4.they carry pollen grains while roaming plant to plant and help in cross pollination
Answer:
<u>M phase or Mitosis:</u>
During the M phase or mitosis of the cell cycle, division of the cell occurs. And the number of the cells increase in number.
Explanation:
- <u>Causes of Uncontrolled cell division:</u>
There are some regulatory proteins present at the cell cycle checkpoints, which can leads to mutation inside the cell basic structure. As it causes the basic structure of the cell to cause uncontrolled level of cell division inside the human body, forming a tumor in a certain organ or at any place inside the body.
