Adaptations

• Factors that affect communities can be abiotic or biotic
• Abiotic means non living
• Biotic means living
• What are some abiotic factors that affect communities?

  (Light intensity) ,(temperature) , (moisture levels) , (soil pH and mineral content) , (wind intensity and direction) (carbon dioxide levels for plants) (oxygen levels for aquatic animals)
• What are some examples of biotic factors?

  (Availability of food) (New predators) (New pathogens / diseases) (one species outcompeting another)
• Why do organisms have adaptations (feature) ?

  They allow them to survive in the conditions in which they normally live
• Adaptations can be structural , behavioural of functional
• What ae extremophiles?

  Organisms that live in extreme environments e.g. with high temperature , pressure or salt concentration
• What is an example of extremophiles?

  Bacteria living in deep-sea vents
• What are the adaptations that a cactus has that allows it to survive?

  It has needles instead of leaves that reduce water loss , It has Thick stems that store water , and it has an extensive root system to take in water