Unicellular organisms, cells perform all the basic actions and functions required for living like nutrition, respiration, reproduction etc.
In multicellular organisms, cells divide their tasks on the basis of "DIVISION OF LABOUR" to specialize in certain functions besides respiration etc. Like conduction in neurons, excitation in muscles, RBC production by bone marrow etc.
13. D
14. A
15. C
16. B
17. F
18. E
Answer:
long toes
Explanation:
the other traits are personality related, not a biological factor. they can be learned, but not inherited
Explanation:
aluminium belongs to group 13 and period 3
Answer:
they tend to be base
Explanation:
this because when they are manufactured they dont tend to use acid solution