Diagram based worksheet of " How do organisms reproduce"


Comments

Post a Comment

Popular posts from this blog

Life Processes- Nutrition notes

Image
Notes of Chapter- Life Processes ( Nutrition) KEY CONCEPTS & GIST  v    Life processes  – The processes that are necessary for an organism to stay alive. Eg. Nutrition, respiration,circulation, excretion etc. v    Criteria of life - (i) Movement   ii) Growth iii) Life Processes. v    Nutrition - The process in which an organism takes in food, utilizes it to get energy and nutrients for growth, repair and maintenance, etc.  v    Types of nutrition                                                                           1.   ...
Read more

Notes of Heredity and Evolution- Part I

Image
CHAPTER – 9 HEREDITY AND EVOLUTION  ˜  Genetics :  Branch of science that deals with Heredity and variation. ˜  Heredity :  It means the transmission of features/ characters/ traits from one generation to the next generation. ˜  Variation :  The differences among the individuals of a species/ population are called variations. Mendel and His Work on Inheritance ˜  Gregor Johann Mendel (1822-1884) :  Started his experiments on plant breeding and hybridization and proposed the laws of inheritance in living organisms. Mendel  ®  was known as Father of Genetics ˜  Plant selected by Mendel :  Pisum sativum  (garden pea).  Mendel used a seven pairs of contrasting characters for garden pea. (TABLE OF CONTRASTING CHARACTERS. SEVEN PARTS) CHARACTER DOMINANT  TRAIT RECESSIVE  TRAIT Flower colour Flower position Seed colour Seed shape Pod shape Pod colour Height ...
Read more