Topic 3.1 Flashcards
(39 cards)
What’s classification?
Grouping objects or information based on similarities
What’s a taxon?
A group of similar organisms
What’s taxonomy?
The study of classification
What are the 8 taxonomic groups?
Domain, Kingdom, Phylum, Class, Order, Family, Genus Species
What are the 5 Kingdoms?
Animalia, Plants, Fungi, Protists, Prokaryotes
What are the 3 domains?
Eukaryotes, Prokaryotes, Archea
Which domain is the most different?
Prokaryote
What’s binomial nomenclature?
Naming organisms that gives each organism a two-worded name
Who developed the first classification system?
Aristotle
What’s an autotroph?
An organism that makes its own food, e.g. plants which photosynthesis
What’s a heterotroph?
An organism that uses other organisms as food
Who invented binomial nomenclature?
Carl Linnaus
What are analogous features?
Similar features in organisms
What’s the definition of a species?
A group of organisms that have similar; genes, physical and chemical characteristics, and can breed to produce fertile offspring
What’s a morphological species model?
A species definition based solely on the appearance of the organisms observed
What’s sexual dimorphism?
The difference in the appearance of the male and female of a species
What’s molecular phylogeny?
Analysis of genetic material of organisms to establish evolutionary relationships
What’s the ecological species model?
A species definition based on the ecological niche an organism holds
What’s a niche?
The role an organism has within the habitat in which it lives
What’s a mate-recognition species model?
A species definition based on unique feltillisation systems- e.g. mating
The genetic species model?
A species model based on DNA evidence
What’s the evolutionary species model?
A species model based on shared evolution between groups of organisms
What’s DNA sequencing?
The base sequence of all or part of a genome is worked out
What’s DNA profiling?
The process of analysing the non-coding areas of DNA to identify a pattern
