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1808524
Section A, Chapter 1 Biology IGCSE
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Mind Map on Section A, Chapter 1 Biology IGCSE, created by 10agyajo on 18/12/2014.
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10agyajo
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Section A, Chapter 1 Biology IGCSE
Plants
Are multicellular
They have chloroplasts
Their cells have cell walls, made of cellulose
Plants store carbohydrates as sucrose or starch.
Animals
Multicellular
Don't have chloroplast so they can't photosynthesise
Most have some kind of nervous coordination
Move from one place to another
store carbohydrates as glycogen
Fungi
Can be single celled
Some have a body called mycelium
Annotations:
Their body mycelium is made up of hyphae, thread like structures containing lots of nuclei
Can't Photosynthesise
Feed by saprotrophic nutrition
Annotations:
Meaning they secrete extracellular enzymes which digest food on the outside of the cell and absorb nutrients
Store carbohydrates as glycogen
Protoctists
single-celled and microscopic
some have chloroplasts
Bacteria
single-celled and microscopic
don't have a nucleus
have a circular choromsome of DNA
Most bacteria feed offf other organisms
Virus
very small, smaller than bacteria
Only reproduce in living cells
Annotations:
The fact that they can do this makes them PARASITES
infect all other types of organisms
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