(2) Answer the following questions :
(a) What is evolution ?
(b) Complete the following table :
Mitosis is essential
for
(c) Write one importance of fossils as a proof of evolution.
(d) Write about connecting links'.
Answers
Answer:
a. the development of plants, animals, etc. over many thousands of years from simple early forms to more advanced ones.
b. Mitosis is a way of making more cells that are genetically the same as the parent cell. It plays an important part in the development of embryos, and it is important for the growth and development of our bodies as well. Mitosis produces new cells, and replaces cells that are old, lost or damaged.
c. Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today. ... Paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms
d. Connecting link: Connecting link refers to plant and organisms which show characteristics related to two different groups. For example, Peripatus is considered a connecting link between annelida and arthropoda.
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