CHROMOSOME | THE BASIS OF HEREDITARY
LOCATION AND STRUCTURE OF CHROMOSOMES Chromatin granules (thread – like structures) found in the nucleus of eucaryotic cells are the… Read More »CHROMOSOME | THE BASIS OF HEREDITARY
Mr. FAROUK
BIOLOGY OF HEREDITARY AND VARIATION (GENETICS)
Genetics is the scientific study of heredity and variation in all living things. The word genetics was coined by Dilliam Bateson (1906
THEORIES OF EVOLUTION
ORGANIC EVOLUTION Organic evolution is the sum total of adaptive changes from pre–existing or old forms that has taken place… Read More »THEORIES OF EVOLUTION
ADAPTIVE COLOURATION AND BEHAVIOURAL ADAPTATION
ADAPTIVE COLOURATION This is the possession by an organism of a colour which enables it to catch its prey, avoid… Read More »ADAPTIVE COLOURATION AND BEHAVIOURAL ADAPTATION
ADAPTATION FOR SURVIVAL
COMPETITION Competition is the process by which living organisms in the habitat struggle with one another for limited essential needs… Read More »ADAPTATION FOR SURVIVAL
VARIATION IN POPULATION
VARIATION IN POPULATION Population is a group of organisms of the same specie living in a specified area within a… Read More »VARIATION IN POPULATION
FRUIT
STRUCTURE OF A FRUIT A fruit is a matured fertilized ovary of a flower containing one or more seeds. Contrary… Read More »FRUIT
GROWTH
Growth is defined as an irreversible increase in volume, size, and number of parts, length and weight of an organism… Read More »GROWTH
BASIC ECOLOGICAL CONCEPT
Ecology This is the study of living organisms (plants and animals) in relation to their environment. Ecology is divided into… Read More »BASIC ECOLOGICAL CONCEPT
MODE OF NUTRITION
Autotrophic Nutrition This is the type of nutrition in which the organisms are able to manufacture their own food. Organisms… Read More »MODE OF NUTRITION