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FSc Notes Biology Part 1 Chapter 5 Variety of Life Definitions

FSc Notes Biology Part 1 Chapter 5 Variety of Life Definitions

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.

The arrangement of organisms into groups and subgroups on the basis of similarities is called classification.

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.

The RNA virus which can convert their single stranded RNA into double stranded DNA are called Retroviruses.

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.

The organisms are grouped into large distinct categories called taxa.

Non-cellular infections particle which contains either DNA or RNA, normally enclosed in proteinaceous coat and reproduces only in living cells.

Written by: Asad Hussain.