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PHOTOPERIODISM

WHAT IS PHOTOPERIODISM | PHYTOCHROMES & VERNALIZATION

What is Photoperiodism? The variations in day length are Galled photoperiod and the phenomenon is called photoperiodism. It is another very important way in which light exerts its influence on living organisms. Let’s discuss in detail photoperiodism in plants are as under; PHOTOPERIODISM IN PLANTS In plants photoperiod and temperature affects flowering, fruit and seed reproduction,…

REPRODUCTION IN PLANTS

REPRODUCTION IN PLANTS | DEFINITION | IMPORTANCE & TYPES

What is a Reproduction in Plants? Reproduction is the mechanism that produces new generations and maintains a species. Every species of organism can reproduce new individuals of that species. In organisms, methods of reproduction are varied and some are quite complex. In one respect, reproduction differs from all other functions of animals. it is not…

PLANT HORMONES

PLANT HORMONES | FOUR MAJOR TYPES OF PLANT HORMONES

What is Plant Hormones? The special substances produced by the plants which influence the growth and plant responses to various stimuli are called plant hormones.Let’s discuss in detail different types of plant hormones are as under; TYPES OF PLANT HORMONES There are four types of plant hormones; Auxins Gibberellins Cytokinins Abscisic acid AUXINS These are…

COORDINATION IN PLANTS

COORDINATION IN PLANTS | PLANT MOVEMENTS & HORMONES

What is Coordination in Plants? Plants behave but their behaviour is fundamentally different from that of animals. The difference is due to two ways of life sessile on one hand and motile on the other.      Passive, complex and dynamic: Plants, compared to animals are far from being passive, and are a complex dynamic organism…

MOVEMENTS IN PLANTS

MOVEMENTS IN PLANTS | DIFFERENT TYPES OF MOVEMENTS

What are Movements in Plants? Living Organisms respond to the external as well as internal stimuli. Animals move in response to external stimuli by motion. Similarly, plants also show movements. Animals change their location in response to the stimulus. Plants are fixed therefore they change their growth pattern. Let’s discuss in detail different types of…

Bacteriophages

WHAT IS BACTERIOPHAGES | STRUCTURE AND TYPES OF BACTERIOPHAGES

What are bacteriophages? Bacteriophages area unit viruses that infect microorganism. They were discovered severally by town W. Twort in European nation in 1915 and by Felix d’Herelle at the Pasteur’s Institute in Paris in 1917. The term bacteriophages were coined by D’Herelle which suggests microorganism eater. microorganism viruses area unit cosmopolitan in nature. Bacteriophages exist…

Virus

WHAT IS VIRUS? | CHARACTERISTICS AND TYPES OF VIRUSES

What is Virus? It will be outlined as non-cellular infectious entities that contain ribonucleic acid or DNA sheathed in supermolecule coat and reproduce solely in a living cell. The word VIRUS comes from Latin word venome means that substance was wont to describe any disease-causing substance. About fifty years before the development of the microscope,…

Five Kingdom System

THE FIVE KINGDOM SYSTEM OF CLASSIFICATION | LIVING ORGANISMS

What is five kingdom system of classification? In order to recommend a superior method of classification of living organisms, R.H. Whittaker (1969) an American Taxonomist separated all the organisms into Five kingdoms based on their phylogenetic relationships. The five kingdom system of classification takes into account the following important criteria. Complexity of Cell structure –…

kingdom

TWO KINGDOM SYSTEM OF CLASSIFICATION | LIVING ORGANISMS

What is mean by two kingdom system of classification? We know that there is a difference in their nutrition, behaviour, structure and physical appearance. The Biodiversity of the earth is enormous. let’s discuss in detail the two kingdom system of classification are as under;- TWO KINGDOM SYSTEM OF CLASSIFICATION Carolus Linnaeus(1758) divided all the living…

Diversity

DIVERSITY IN LIVING ORGANISMS | NEED FOR CLASSIFICATION

What is diversity in living organisms;- On earth planet of the world there is great diversity between living things. We know that there is a difference in their nutrition, behaviour, structure and physical appearance. The Biodiversity of the earth is enormous. Current estimates suggest that the earth may have anywhere from 20 to over 50…

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