UNIT-1 CHARACTERISTICS AND CLASSIFICATION OF
LIVING ORGANISM
PREPARED BY :
TR. HSU HAYMANN WIN
CONTENTS
 1.1 Characteristics of living things
 1.2 Classification
 1.3 Features of organisms
 1.4 Vertebrates
 1.5 Invertebrates
 1.6 Ferns and flowering plants
 1.7 Dichotomous keys
1.1 CHARACTERISTICS OF LIVING THINGS
Animal
Protoctists
Kingdoms
Plant
Fungi
Prokaryotes
(bacteria)
CHARACTERISTICS OF LIVING THINGS
There are seven characteristics of living things. They are :
1) Nutrition
2) Respiration
3) Movement
4) Growth
5) Excretion
6) Sensitivity
7) Reproduction
Study tip : Mrs Gren
NUTRITION
RESPIRATION
MOVEMENT
GROWTH
EXCRETION
SENSITIVITY
REPRODUCTION
Asexual reproduction
Sexual reproduction
KEY POINTS TO STUDY
7 Characteristics of living things
Movement
It causes an organisms to change its position or place.
Respiration
It involves chemical reactions that release energy in cells.
Sensitivity
It is being able to detect and respond to stimuli.
Growth
It is a permanent increase in size and dry mass.
Reproduction
It results in the formation of new individuals.
Excretion
It is the removal of waste chemicals made in the cells during
metabolism.
Nutrition
It involves the use of food for energy and growth.
Mrs
Gren
SUMMARY QUESTIONS.
1. A visitor from outer space lands on Earth. The first thing that it sees is a motor car passing by.
a) Give two reasons why the visitors thinks that the car is alive.
b) Give two reasons why you think that the visitor is wrong.
2. Plants and animals are two groups of living organisms. Find out and then describe how plants differ from animals in
the ways in which they:
a) Feed
b) Move
c) Grow
d) Use their senses