Question

was invented about 5000 years ago and thus
emerged about 400 years ago and industrial society was establishe
and now we have reached at this stage, and still we are searching the details of
ed about 200
e.
bour 10 thousand
cattle-herds and establish
5. D
ce
Doll Exercise
2.
Tere the following diagram.
outical
Read the following statements and
justify same in your own words with
the help of suitable examples.
a. Human evolution began
approximately 7 crore years ago.
b. Geographical and reproductive
isolation of organisms gradually
leads to speciation
c. Study of fossils is an important
aspect of study of evolution.
d. There is evidences of fatal
science​

Answer 1

Mitosis is a process where a single cell divides into two identical daughter cells (cell division). What is meiosis? Facts. Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information