ENVS 1

1. Lots of water
   1. Physiological solvent
   2. Transports O2, CO2, Sugars, AA etc
      1. Blood
      2. Sap
   3. Temperature control
      1. Homeostasis
   4. Anomalous expansion
      1. Ice floats
   5. High Specific heat capacity
      1. Reduces temp fluctuations
   6. Aquatic habitats
2. Temp Range
   1. Allows liquid water
   2. Allows Enzymes to not denature

      Annotations:

      • Living organism are found within 0-40  Thermophillic bacteria can withstand higher temperatures (sometimes over 80 degrees c) 
3. Gases
   1. CO2
      1. Photosynthesis
      2. Climate control
   2. Nitrogen
      1. Protein synthesis
4. Sun Light/Radiation
   1. Sunlight = energy
      1. Photosynthesis
   2. When absorbed = heat
      1. Water cycle
      2. Warming of the Earth
   3. Little UV + Ionising radiation

Annotations:

• First Ecological succession. Life became more abundant and changed conditions on earth making them more suitable for varied life forms to develop and colonise a wider range of habitats.

1. Atmospheric Oxygen
   1. Reactive so atmospheric concentration declined
      1. Oxidation
   2. Small amount released by photolysis of water
      1. Photosynthetic bacteria then released larger amounts of O2
         1. This absobed UV, they split, producing OZONE
            1. Ozone layer allowed protection from UV allowing colonisation of land
2. Atmospheric CO2
3. Water Cycle

1. - Protection of wildlife
2. - Protection of landscape/ countryside

1. Governmental
2. NGO's

1. Semi-natural habitats
2. Woodland management

1. Threats
2. Importance
3. Features
4. Conservation
5. Life

1. Ecological features
2. importance
3. Threats
4. Conservation

1. Ecological Features
2. Importance
3. Threats
4. Conservation

1. Biotic Factors
2. Abiotic factors

1. Taxonomy
2. Grouping environments

1. Ecological succession

1. Diversity index
2. Population dynamics
3. Homeostatic regulation of population size

1. Knowledge/ Understanding
2. Moral/ Ethical
3. Aesthetics /Recreation
4. Economic
5. Resources
6. Life-support systems

1. CB+R
2. Habitat conservation/ creation
3. Legal Protection
4. Management of exploitation

1. Unsustainable exploitation
2. Eradication of competitors
3. Unable to survive habitat alteration

1. Causes
2. Methods of resolving

1. Protection
2. Enhancement
3. Visitor management
4. Organisations