Class 5 (SSC) • History-Civics (इतिहास-नागरिकशास्त्र)Chapter 3: Life on Earth⭐ Topic 1
Life on Earth
Life on Earth began billions of years ago and has evolved into millions of different species, showing the incredible diversity of living thi
1
Know it
Step 1 of 3
2
See the pattern
Step 2 of 3
3
Try it out
Step 3 of 3
Fun picture
Try it now
Learn the idea step by step
1
Know it
Scientists believe life on Earth began in the oceans billions of years ago, starting with simple single-celled organisms.
2
Quick revision
Remember these!
- Life began in oceans billions of years ago.
- It started with simple single-celled organisms.
- Life evolved into complex plants, animals.
- This happened over billions of years.
- Earth hosts millions of species today.
- Each is adapted to its environment.
- Understanding this shows life's diversity.
- It shows our place among living things.
Words to know
life on earthssc std 5