03. Evolution and Diversity of Organisms [DEFINITIONS]

Question 1

Classification

Answer 1

The arrangement of organisms into groups on the basis of common characteristics is called classification.

Question 2

Taxonomy

Answer 2

Taxonomy is the scientific study on classification, identification, nomenclature and description which includes placing groups of organisms in a hierarchical sequence.

Question 3

Artificial Classification

Answer 3

Artificial classification is the grouping based on a few pre selected unifying characters.

Question 4

Natural Classification

Answer 4

Natural classification is the grouping based on true relationships.

Question 5

Taxon

Answer 5

The taxonomic unit at any level/rank of the hierarchy is called a taxon.

Question 6

Species

Answer 6

A species is a group of organisms who share similar characteristics and have the ability to interbreed and produce viable and fertile offspring.

Question 7

Morphological Species Concept

Answer 7

Use of morphological criteria to distinguish species such as body shape and other structural features.

Question 8

Ecological Species Concept

Answer 8

Defines species in terms of its ecological niche and the sum of how members of the species interact with the non-living and living components of their environment

Question 9

Phylogenetic Species Concept

Answer 9

Defines species as the smallest group of individuals that share a common ancestor.

Question 10

Non-vascular Plants / Bryophytes

Answer 10

Plants that do not have an extensive transport system are non-vascular plants