Peristalsis is involuntary constriction and relaxation of the intestine or another canal, it’s causes wave-like movements that push the contents of the canal forward.
The answer would be 30m.
Since it travels 10m per sec,
10×3
= 30 m at 3 s.
Answer:
Option A) Simple Prokaryotes.
Explanation:
- The first life that existed on Earth was the single-celled microbes who lack a well defined nucleus and are known as Prokaryotes
- They existed on Earth for almost four billion years ago.
- In Prokaryotes "Pro" means before and "Karyon" means nucleus which means they lacked nucleus and many other cell organelles that complex structures have.
- They are single celled organism adaptive of living in earth older environment.
Result: Simple Prokaryotes was the first life on earth.
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