Chapters
Chapter 2: History and the Concept of ‘Time’
Chapter 3: Life on Earth
Chapter 4: Evolution
Chapter 5: Evolution of Mankind
Chapter 6: Stone Age : Stone Tools
Chapter 7: From Shelters to Village-settlements
Chapter 8: Beginning of Settled Life
Chapter 9: Settled Life and Urban Civilization
Chapter 10: Historic Period

Chapter 3: Life on Earth
Balbharati solutions for Environmental Studies 2 (How We Came to Be) 5th Standard Maharashtra State Board Chapter 3 Life on Earth Exercises [Page 14]
Answer the following question in one sentence.
What instrument do we need to see a unicellular organism?
Answer the following question in one sentence.
Where did the protozoa appear first?
Answer the following in brief.
How were the sun and the planets in our solar system created?
Answer the following in brief.
Write any two characteristics of animals.
Find the names of the planets in the box below.
Arrange the events given below in chronological order.
(a) Water bodies appeared on the earth’s surface.
(b) The sun and the planets revolving around it were created.
(c) Protozoa appeared in water.
(d) An enormous cloud of hot gases and dust was formed in space.
Chapter 3: Life on Earth

Balbharati solutions for Environmental Studies 2 (How We Came to Be) 5th Standard Maharashtra State Board chapter 3 - Life on Earth
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Concepts covered in Environmental Studies 2 (How We Came to Be) 5th Standard Maharashtra State Board chapter 3 Life on Earth are Formation of the Earth, Beginning of Life on the Earth, The Animal World on the Earth.
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