Biology Exam Preparation Portal. Preparing with U 4 ur exams...

The Characteristics of Living Things

What is life? Life is unique, complex organisation of molecules, expressing itself through itself through chemical reactions which lead to growth, development, responsiveness, adaptation and reproduction.
Organism having ‘Life’ is known as living beings
  • Living things: Birds, human beings, elephant, insects etc
  • Non Living things: Car, paper, pencil, stones etc
                     Living vs Non Living things
The various characteristics of living things are as follows
elephant
  • Definite shape and structure
  • Cellular structure: All living organisms are made of cells. They are either unicellular (examples: Amoeba, Chlorella) or multicellular (Human beings, higher plants).
  • Specific organization: Various levels of organisation are organism, organ system, organs, tissue, cell organelles.
Levels of Organisation
Level of  Organization in Biology
  • They have the ability of movements and locomotion.
  • Plants do not show locomotion, but they do show movements. Plants push their roots their  roots deeper into the soil in search of water and minerals.
  • Nutrition:All living organisms feed on a variety of substances.
  • All living organisms respond to changes in external environment.
  • Adaptation is another feature of living organisms.
  • These have definite life span.

Sharing is Caring ..... Please take 5 seconds to Share. Thank you...

1 comments:

We love to hear from you! Leave us a comment.

© Biology Exams 4 U, AllRightsReserved.***Best viewed in Google Chrome and Mozilla firefox***

Maintained by BiologyExams4U.com