FSc Notes Biology Part 1 Chapter 5 Variety of Life Definitions 1st Year Biology Notes Online Taleem Ilmi Hub Class 11
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Linnaeus system of giving each species a scientific name comprising two words is known as binomial nomenclature.
Blood Serum:
Plasma minus proteins which do not coagulate under normal conditions is called blood serum.
Classification:
The arrangement of organisms into groups and subgroups on the basis of similarities is called classification.
Hepatitis:
The inflammation of the liver is called hepatitis.
Homologous Structures:
The structures which have common ancestry are called homologous structures.
Phage Virus:
Bacteriphage or phage virus is virus that infects bacteria.
Retroviruses:
The RNA virus which can convert their single stranded RNA into double stranded DNA are called Retroviruses.
Species:
A species is a group of natural population which can interbreed freely among themselves and produce fertile offspring, but are reproductively isolated from all other such group in nature.
Taxa:
The organisms are grouped into large distinct categories called taxa.
Virus:
Non-cellular infections particle which contains either DNA or RNA, normally enclosed in proteinaceous coat and reproduces only in living cells.
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