I think your answer is c. Correct me if I am wrong, but I simply subtracted 2081 minus 1997, and got 84 years.
This depends on the point of view, I believe. Chelicerate is not the direct ancestor of trilobites, but it is related but distantly.
Answer:
The answer is "Option c".
Explanation:
In this question, the above choice is right, because the exponentially growing plot of even an individual is increasing steadily (to time mostly on the x-axis as well as the number of organisms mostly on the y-axis).
They work together to benefit the entire organism, so that would be B
A. Osmosis is the answer for this question
