...is part of the Earth and its atmosphere where life exists
For Biospheres to be self containable they would have to have ;
- enough plants to photosynthesise enough for supply of oxygen and food
- the ability to recycle all waster materials
- a method to keep warm
- a method of melting Martain ice.
Plants vs Animal cells
Nucleus - Both Cytoplasm- Both Cell Membrane-Both Cellulose Cell Wall- Animal doesnt Vacuole- Animal doesnt, plant nearly always Chloroplasts- Animal doesnt
Specialised plant cells; Xylem transport water and minerals from the roots
Phloem transport food in solution from the leaves to where it is needed, or for storage.
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