Topic 2: Classification

Question 1

BIOTIC AND ABIOTIC FACTORS

• Biotic; All living organisms that in habit an environment
• Abiotic; include currents, temperatures, moisture, light and soil

Answer 1

LEVELS OF ORGANISATION

• Most areas of biology fit into hierarchical levels of biological organisations from molecules to organisms.
• Ecology starts with individual organisms and goes higher.
• Biosphere
• Ecosystems
• Community
• Population
• Organisms
• Ecology is humans way of protecting and preserving nature by first understanding it.

Question 2

CLASSIFICATION

• Taxon is a category into which related organisms are placed.
• There is a hierarchy groups from broadest to most specific (taxa)
• Domain
• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species

Answer 2

STANDARDISED NAMING

• Binomial nomenclature
• Genus species (Latin or Greek)
• Italicised
• Capitalise genus

Question 3

DOMAIN EUKARYA KINGDOMS
PROSTIA
- Complex single cellular
- Some Multicellular 
- Absorb, photosynthesis or ingest food

FUNGI

• Multicellular (except yeast)
• Absorptive heterotrophs (digest their food inside their own bodies)
• Cells made of chitin

PLANTAE

• Multicellular
• Autotrophic (photosynthesis)
• Cell walls made of cellulose

ANIMALIA

• Multicellular
• Ingestive heterotrophs
• Feed on plats and animals
• Very mobile

Answer 3

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