Classification

Question 1

What is the linnean classification system for living organisms?

Answer 1

• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species
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The classification system organizes living organisms into hierarchical categories.

Question 2

How are species identified in biological classification?

Answer 2

Species are identified using a two-part naming system called binomial nomenclature, starting with a capital letter for the genus and a lowercase letter for the species.

This system was developed by Carl Linnaeus.

Question 3

Fill in the blank: The first part of the binomial name is the _______.

Answer 3

Genus

The genus is always capitalized in binomial nomenclature.

Question 4

What are the main domains of life?

Answer 4

The main domains of life are:
* Bacteria
* Archaea
* Eukarya

These domains categorize organisms based on cellular structure and genetic makeup.

Question 5

What is the significance of the classification system in biology?

Answer 5

The classification system helps to:
* Organize biological diversity
* Understand evolutionary relationships
* Facilitate communication among scientists

It provides a universal language for biologists.

Question 6

Fill in the blank: The second part of the binomial name is the _______.

Answer 6

species

The species is always in lower case in binomial nomenclature.

Question 7

Fill in the blank: The first part of the binomial name is the _______.

Answer 7

Genus

The genus is always capitalized in binomial nomenclature.

Question 8

What does the term ‘phylogeny’ refer to?

Answer 8

Phylogeny refers to the evolutionary history and relationships among species

It is often depicted in a phylogenetic tree.

Question 9

How can organisms be grouped in classification?

Answer 9

Organisms can be grouped based on:
* Similar characteristics
* Genetic relationships
* Evolutionary history

These groupings help in understanding biological classification.

Question 10

What is the role of ‘subspecies’ in classification?

Answer 10

Subspecies are distinct populations within a species that have unique characteristics

They indicate variation within a species.

Question 11

True or False: All living organisms can be classified under a single kingdom.

Answer 11

False

Living organisms are classified into multiple kingdoms based on distinct characteristics.