THEME 1 - U1 - Classification of living organisms Flashcards
Def: Classification
Grouping organisms according to structural similarities
Groups are arranged largest to smallest. What are the 7 groups
Kingdom
Phylum
Class
Order
Family
Genus
Species
Def : Binomial nomenclature
Two word Latin name for names of organism’s genus + species
Why are scientific names universal
Everyone understands what name means without using dictionary, no matter what language they speak
Def: Species
Group of organisms with similar features, capable of breeding + producing fertile offspring
Def: Infertile
Cannot produce offspring bc. Its product of organisms of diff species
Uses of Hierarchical Classification System. Name 3
- Sorts organisms in order
- Identify new organisms by finding out which groups belong to
- Easier to study organisms
- Communicate globally + internationally about org.
- Keep track of org.
- Tell about evolution of species
5 kingdoms of Hierarchical Classification System
Prokaryotes
Protoctista
Fungi
Plants
Animals
Phylum subdivided into
Classes
Order
Families
Genera
Species
Def: Dichotomous Key
Series of questions asking you about features that you can see on org.
Use of Dichotomous Key
Helps you identify org. by unlocking their names