Chapter 16, Problem 32A

Summary Introduction

Introduction:

Different species of humans have been living from millions of years back. With every passing era some change in their structure and living has been predicted. From Homo habilis to Homo sapiens there are five species of human evolved from the beginning.

Answer to Problem 32A

Correct answer:

The correct answer is option (b).

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) The last species of human named Homo sapiens lives from100,000-12,000 years ago and till today. They have been living from 195,000 years. They have a brain capacity of $1350c{m}^3$ with a small chin. And are culturally living with language.

Explanation for incorrect answer:

Option (a) Sub-species of human named Homo neanderthalensis lived from 300,000-200,000 years ago. They had an average brain capacity of $1500c{m}^3$ . This was the species from when they started burying the dead.

Option (c) Sub-species of human named Homo habilis lived from 2.4-1.4 million years ago. They had an average brain capacity of $650c{m}^3$ .

Option (d) Sub-species of human named Homo ergaster lived from 1.8 and 1.2 million years ago. They had an average brain capacity of $1000c{m}^3$ with a thinner skull bone.

Conclusion

The species represented on the map lived from from100,000-12,000 years ago. This species of human is also living today.