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Evolution — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution3 Marks
Question
  1. Write two differences between Homo erectus and Homo habilis.
  2. Rearrange the following from early to late geologic periods:

Carboniferous, Silurian, Jurassic.

✓

Answer

  1.  
 
Homo habilis
Homo erectus
1
This creature probably lived in East African grassland around two mya
This creature lived about 15 mya and its fossils were discovered in Java in 1891.
2
Brain capacity of this creature was 650–800cc.
Brain capacity was around 900cc.
3
They did not eat meat.
They probably ate meat.
  1. Silurian, Carboniferous, Jurassic.

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