Define and understand the following terms:
(i) Phylum (ii) Class (iii) Family
(iv) Order (v) Genus
Answers
1)Phylum:-
1a : a direct line of descent within a group. b : a group that constitutes or has the unity of a phylum specifically : a primary category in biological taxonomy especially of animals that ranks above the class and below the kingdom — compare division sense 10.
2)Class:-
A class is a blueprint that defines the variables and the methods common to all objects of a certain kind.
3)Family:-
Family, a group of persons united by the ties of marriage, blood, or adoption, constituting a single household and interacting with each other in their respective social positions, usually those of spouses, parents, children, and siblings.
4)Order:-
The definition of an order is a position, rank or arrangement of people or things. ... An example of order is people being served food according to when they arrived in a restaurant. An example of order is the names of fruit being listed by where their first letter occurs in the alphabet.
5)Genus:-
Genus, plural genera, biological classification ranking between family and species, consisting of structurally or phylogenetically related species or a single isolated species exhibiting unusual differentiation (monotypic genus).
⠀
Explanation:
(i) Phylum
The phylum is second highest unit of classification after Kingdom. It includes one or more related classes of animals. In plants, instead of phylum, the term ‘division’ is used.
(ii) Class
The class is a taxonomic group consisting of one or more related orders. For example, the class, Mammalia, includes many orders like Primata (Man), Carnivora (tiger) etc.
(iii) Family
Family is a taxonomic group containing one or more related genera, eg., Family hominidae contains apes, monkeys and man. In plants, families are categorized on the basis of vegetative and reproductive features.
(iv) Order
Order is a taxonomic group containing one or more families. For example, the order, carnivora, includes many families.
(v) Genus
Genus is a taxonomic group including closely related species. For example, the genus, Solanum, includes many species such as nigrum, melongena, tuberosum, etc.