Question

10. How is a key helpful in the identification and classification of an organism?
11. Illustrate the taxonomical hierarchy with suitable examples of a plant and an
animal.​

Answer 1

Answer:

➡Key is a taxonomical aid that helps in identification of plant and animal species. These keys are based on similarities and dissimilarities in characters, generally in a pair called couplet. Each statement in a taxonomic key is referred to as a lead. ... It is also useful in identification of unknown organisms.....

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Answer 2

$\huge\underline\bold\red{Answer♡ }$

• $\huge\underline\mathtt\purple{1.}$Key is a taxonomical aid that helps in identification of plant and animal species. These keys are based on similarities and dissimilarities in characters, generally in a pair called couplet. Each statement in a taxonomic key is referred to as a lead. ... It is also useful in identification of unknown organisms.

• $\huge\underline\mathtt\purple{2.}$Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.The arrangement of various taxa in a hierarchical order is called taxonomic hierarchy. In this hierarchy, species is present at the lowest level whereas kingdom is present at the highest level.