1396207
Descripción
Mapa Mental por xoxoprecious, actualizado hace más de 1 año
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Creado por xoxoprecious
hace casi 10 años
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B4a - It's a green world.
- Who Lives Where?
- Zonation - A gradual change in
the population density.
- Abiotic Factors - pH, water or light
availability can cause zonation.
- no. of animals caught first x no of animals caught
2nd / no. of animals caught & marked 2nd time
- Biodiversity - no. of organisms types in a habitat are
how many of them there are
- Biodiversity - no. of organisms types in a habitat are
how many of them there are
- no. of animals caught first x no of animals caught
2nd / no. of animals caught & marked 2nd time
- Transect line - a line you
take samples along
- Abiotic Factors - pH, water or light
availability can cause zonation.
- Zonation - A gradual change in
the population density.
- Photosynthesis
- 6 Co2 + 6 H2O ----> C6 H12 06 + 6O2
- Photosynthesis is a 2 step process. 1)
Water --> Hydrogen Ions and Oxygen
2) Hydrogen ions + Carbon Dioxide -->
Glucose
- Glucose + Nitrogen ---> Protein
- Glocose + Magnesium --> Chlorophyll
- Glocose + Magnesium --> Chlorophyll
- Rate Liminiting Factors = Light
, Carbon Dioxide concentration
& temperature
- Plants need light & chlorophyll to photosynthesise.
- Glucose + Nitrogen ---> Protein
- Photosynthesis is a 2 step process. 1)
Water --> Hydrogen Ions and Oxygen
2) Hydrogen ions + Carbon Dioxide -->
Glucose
- 6 Co2 + 6 H2O ----> C6 H12 06 + 6O2
- Structure of a Leaf
- Epidermis and cuticle are
transparent to allow light-->
pallisade
- Chloroplasts close to top of
leaf for efficient
photosynthesis
- Irregular mesophyll shaped
cells = large surface area to
volume rati for good
diffusion of co2 from stoma
to palisade
- Range of
photosynthesising
pigments to absorb more
wave lengths of light
- Chloroplasts down sides of
palisade cells so that some
light can reach the
mesophyll
- Epidermis and cuticle are
transparent to allow light-->
pallisade
- Diffusion and Osmosis
- Diffusion is net
movement of particles
from an area of high
concentration --> low
concentration. Increased
by bigger surfaced area &
smaller distance.
- oxygen in leaf---> diffuses out thru stomata
- Molecules diffuse until a
equilibrium is reached
- oxygen in leaf---> diffuses out thru stomata
- Passive Processes.
- Osmosis is the net movement of
high concentration of water -->
low cencentration of water
across a partially permeable
membrane
- partially permeable membrane
= has holes in it so that water
molecules can pass thru. too
small for any other molecules
- Plasmosis = cell membrane comes away from cell wall
- Plasmosis = cell membrane comes away from cell wall
- partially permeable membrane
= has holes in it so that water
molecules can pass thru. too
small for any other molecules
- Diffusion is net
movement of particles
from an area of high
concentration --> low
concentration. Increased
by bigger surfaced area &
smaller distance.
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