Explain the five kingdom systems, Biology

The five kingdom systems

To cope up with above discussed problem a number of alternative classificatory schemes have been suggested with more than two kingdoms. The one which has gained most support was put forward in 1969 by the American Wologist R.H. Whittaker. Whittaker's scheme divides living organisms into five kingdoms. The anima14kingdom is reserved for multicellular motile organisms which feed heterotrophically, the plant kingdom for multicellular organisms which feed by. photosynthesis. The protozoa and unicellular algae are brought together into a separate kingdom, the Protista kingdom and the bacteria with blue-green algae, unique amongst living things in being prokaryotic, are combined together in the Monera Kingdom (Fig 3.6). Though five kingdom system solves many difficulties but it also creates some. For example, separating the unicellular algae from the simpler multicellular algae is not entirely satisfactory as they have certain features in common. This has led some biologists to suggest that all algae, unicellular and multicellular, should be included in the protista kingdom. In this scheme even quite complex organisms such as seaweeds would find themselves with the protists, traditionally associated with unicellular organisms. Some biologists feel that the name protist should not be used for this expanded group and it has been suggested that this


Posted Date: 6/5/2013 5:40:17 AM | Location : United States

Related Discussions:- Explain the five kingdom systems, Assignment Help, Ask Question on Explain the five kingdom systems, Get Answer, Expert's Help, Explain the five kingdom systems Discussions

Write discussion on Explain the five kingdom systems
Your posts are moderated
Related Questions
Discuss about the function of Tear Film in short. Functions of Tear Film The normal function of the eye is dependent on sufficient supply of tear fluid- a secretion

Give definitions of atomic number and atomic mass and how they relate to protons, neutrons, and electrons in neutral atoms?

Define Colorimetric Method - 2, 4 Dinitrophenylhydrazine Method? We shall use this method in estimating vitamin C in a given sample in the laboratory. Here, let us look at the

What are important terms in accommodation and convergence? Accommodation and Convergence In this section some important terms are included: a. How a person is able to foc

Now try to pull the strands apart at the "origin of replication." What happens to the DNA molecule when the ends are restricted

Q. What are pioneer species? What is the role of the pioneer species? The Pioneer species are those first species that colonize places where previously there were no living bei

ADP is lower energy form of ATP, containing two (in spite of the three in ATP) phosphate groups attached to the adenine base and ribose sugar.

Define Meal Pattern and Feeding Considerations? The meal pattern and the feeding considerations include the following: - Meal timings play an important role in ensuring adeq

The following histograms were produced using flow cytometry after labelling B-cell lymphocytes with propidium iodide. Histogram A is from a healthy individual while Histogram B is

Explain some Physiological Changes during Pregnancy? A whole new life begins at conception. Organ systems develop rapidly and nutrition plays many supportive roles. Pregnancy f