Chapter 3, Problem 11STP

Summary Introduction

To describe:

The characters of humans that makes that proves humans are living   

Introduction:

In this world, two types of the substances, the living and the non living are found. The living substance are capable of performing the basic functions of the life, whereas, the non living organism do not. 

Explanation of Solution

There are certain characteristics of the living organisms. These characters are listed below:

• All organisms are made up of cells. Humans also have cells as their basic unit of life many cells together makes u the whole human body.
• Living organism can respond to the external stimuli. Humans can respond to different stimuli, for example removal of hand after touching a hot surface.
• They grow and divide. Humans grow from a single cell zygote to an adult, the cells are continuously dividing ensuring proper growth and repair.
• They have ability to reproduce and produce progeny similar to them. Humans also have the ability to reproduce.
• They perform locomotion and movement by themselves. Humans can move using their limbs.
• They are capable of performing all the metabolic processes necessary for their survival. There are many metabolic activities that takes place in each cell of the body.
• They require nutrition to survive and obtain it from various sources. Humans depend on plant and other animals as a source of food, which is necessary to perform daily activities.