Zusammenfassung der Ressource
specialised cells
- palisade leaf cells
- adapted for photsynthesis
- packed with chloroplasts
- tall shape, bigger surface area
- grouped together at top of leaf
- guard cells
- open and close pores
- kidney shape
- thin outer walls, thick inner walls
- sensitive to light, closes at night
- red bloodcells
- adapted to carry oxygen
- concave shape, bigger surface area
- packed with haemoglobin
- pigment that absorbs oxygen
- no nucleus, leave room for haemoglobin
- egg cell
- carry female DNA
- nourish developing embryo
- huge food resources
- when sperm fuses with egg, membrane changes to stop more in
- sperm cells
- long tail, streamlined
- lots of mitochondria for energy