Answer:
The correct answer would be - option B. information system.
Explanation:
DNA is the unit of heredity as it contains the genetic code of an organism which is carried all the genetic information and transfer from the parent cell to the daughter cell. It also carries the information required for making all essential proteins in an organism.
So, if an organism did not have DNA, it would be missing the information system which is also responsible for the cell division other than given information.
Answer:
d
Explanation:
endocrine system controls all biological processes
The second one
One gene for a particular trait
Answer:
Agricultural revolution, start of Neolithic era, maybe 12000 yrs ago
Explanation:
