Living things are divided into five kingdoms: animal, plant, fungi, protist and monera.
What are the four factors of Whittaker’s scheme of classification?
They are: a) complexity of cell structure, b) mode of nutrition, c) body organization and d) phylogenetic or evolutionary relationship.
Who gave 6 kingdom classification?
In biology, a scheme of classifying organisms into six kingdoms: Proposed by Carl Woese et al: Animalia, Plantae, Fungi, Protista, Archaea/Archaeabacteria, and Bacteria/Eubacteria.
How did Whittaker classify organisms state and explain the different stages?
Whitaker proposed that organisms should be broadly divided into kingdoms, based on certain characters like the structure of the cell, mode of nutrition, the source of nutrition, interrelationship, body organization, and reproduction. According to this system, there are five main kingdoms.
In which way did the Whittaker provide his contribution to microbiology?
Robert Harding Whittaker (December 27, 1920 – October 20, 1980) was an American plant ecologist, active in the 1950s to the 1970s. He was the first to propose the five kingdom taxonomic classification of the world’s biota into the Animalia, Plantae, Fungi, Protista, and Monera in 1969.
What are the 3 types of viruses?
The three types of computer viruses
Macro viruses – The largest of the three virus types, macro viruses use built-in programming scripts that are found in Excel or Word to automate tasks. Boot record infectors – Boot viruses, or system viruses, attack programs found on floppy and hard disks.
Is a virus made of DNA?
A virus is a small collection of genetic code, either DNA or RNA, surrounded by a protein coat. A virus cannot replicate alone. Viruses must infect cells and use components of the host cell to make copies of themselves.
Is a virus living?
Most biologists say no. Viruses are not made out of cells, they can’t keep themselves in a stable state, they don’t grow, and they can’t make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.
How many kingdom in the Whittaker’s classification include Photoautotroph?
Explanation: Whittaker categorised living organisms in five kingdoms, namely Monera, Protista, Plantae, Animalia and Fungi. Out of these kingdoms, Monera and Protista contain both autotrophic and heterotrophic organisms, therefore the correct answer is 2.
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