How do you classify if an organism is alive/extinct?
Phylogenetic tree
what does LUCA stand for
last universal common ancestor
What is Classification?
Dividing living organisms into groups based on their evolutionary relationships.
What is another word for group?
Taxon
What are the taxonomic groups?
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
What are the five kingdoms?
Prokaryotes
Animalia
Plantae
Fungi
Protocista
What type of nature does classification have?
Tentative
What type of name does every species have?
Binomial
What are the characteristics of prokaryotes?
- No nucleus
- No membrane bound organelles
- 70S ribosomes
- Circular DNA
What are the characteristics of prokaryotes?
- No nucleus
- No membrane bound organelles
- 70S ribosomes
- Circular DNA
What are the characteristics of animalia?
- multicellular
- No cell wall
- linear chromosomes
- nervous co-ordination
- 80S ribosomes
What are the characteristics of plantae?
- multicellular
- photosynthetic
- contains chloroplasts
- cell wall of cellulose
What are the characteristics of plantae?
- multicellular
- photosynthetic
- contains chloroplasts
- cell wall of cellulose
What are the characteristics of fungi
- cell wall made of chitin
- reproduce by spores
- heterotrophic
What are the characteristics of fungi?
- cell wall made of chitin
- reproduce by spores
- heterotrophic
What are the characteristics of protocista?
- unicellular
- different from the rest
- algae have no tissue differentiation
What is niche?
The role an organism plays
What happens if two species occupy the same niche?
One of the species will have to die/migrate
What are the three domains?
- Eubacteria
- Archaea
- Eukaryotes
What are the two different types of evolution?
Divergent and Convergent
What are the two different types of evolution?
Divergent and Convergent
Traits of divergent evolution are:
- Pentadactyl limbs
- Homologous structure
- RECENT common ancestor
Traits of convergent evolution are:
- Analogous structures
- NO RECENT common ancestor
