Topic 1 Flashcards
Why do we classify living organisms on earth?
To keep data organised
Group organisms of similar characteristics
Know exactly what things are
Injury treatment
3 facts about Viruses
Exist as virons outside a host cell
Dormant - do not reproduce
Only in host cell they show characteristics
Animalia - 4 things about this kingdom
Multi-cellular
No cell walls
Feed heterotrophically
No chlorophyll
Plantae
Multi-cellular
Have cell walls
Feed autotrophically
Protocista
Unicellular
Have a nucleus
Fungi
Multi cellular
Have cell walls
No chlorophyll
Feed saprophytically
Multi cellular definition
More than one cell
Heterotrophically definition
Eat other organisms - digest tissues inside
Autotrophically definition
Make food from small molecules using energy source
Saprophytically definition
Like heterotrophically but digest on the outside instead
What are vertebrates
Animals that have a backbone and internal skeleton
How do we split the vertebrates
Method used to absorb oxygen
Way it reproduces
Way it keeps itself warm
Internal and external fertilisation definition
Internal - sperm inside the female
External- female releases the egg into the water, fertilised by sperm
Oviparous definition
Vertebrates lay eggs
Viviparous definition
Give birth to live young
