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Name three adaptations of prey that deter predators. Label the adaptations of the polar bear and explain how they help with survival: Bacteria can be adapted.

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Presentation on theme: "Name three adaptations of prey that deter predators. Label the adaptations of the polar bear and explain how they help with survival: Bacteria can be adapted."— Presentation transcript:

1 Name three adaptations of prey that deter predators. Label the adaptations of the polar bear and explain how they help with survival: Bacteria can be adapted to survive in extreme conditions. Explain how What is an extremophile? What do the following compete for? Animals Plants: Label the adaptations of the fennec (desert fox) and explain how they help with survival: How is the cactus adapted to survive in the desert? How can human activity affect the distribution of organisms? Many factors can cause environmental change. Give an example of A living factor A non-living factor How can the following living organisms be used as pollution indicators? Lichens Aquatic invertebrates What is a pollution indicator?. How are desert animals adapted to cope with very cold nights? Name the three pieces of equipment and state what they measure Explain how climate change may lead to a short-haired arctic fox being more likely to survive than a long haired one.

2 Name three adaptations of prey that deter predators. Thorns / poisons / warning colours Label the adaptations of the polar bear and explain how they help with survival: Small surface area to volume ratio – minimizes heat loss Small ears / nose Thick fur – insulation Thick layer of body fat – insulation Waterproof fur – reduce heat loss from evaporation when wet White - camouflage Bacteria can be adapted to survive in extreme conditions. Explain how Tolerate: High salt concentration High temperature High pressure What is an extremophile? A microorganism that is adapted to live in extreme conditions. What do the following compete for? Animals: food, mates, territory Plants: light, space, water and nutrients from soil Label the adaptations of the fennec (desert fox) and explain how they help with survival: large surface area to volume ratio – increases heat loss Large ears - more heat loss thin fur – increase heat loss Sandy colour - camouflage How is the cactus adapted to survive in the desert? roots widespread– collect water from a large area Roots deep – collect water because surface likely to dry out quickly No leaves – reduce surface area from which water can be lost Stem able to swell – store water How can human activity affect the distribution of organisms? Destroy an animal’s food source or habitat – building, chemicals, farming Introduction of new competing species Global warming Many factors can cause environmental change. Give an example of A living factor New competitor eg grey squirrel A non-living factor Change in temperature or rainfall How can the following living organisms be used as pollution indicators? Lichens Monitor air pollution: higher population = better quality air (less SO 2 ) Aquatic invertebrates monitor water pollution – concentration of dissolved oxygen: ceratin species can tolerate very low O 2 What is a pollution indicator? Living organism that shows the level of pollution in an area through changes in it’s distribution or abundance. How are desert animals adapted to cope with very cold nights? Burrows - insulation Name the three pieces of equipment and state what they measure maximum-minimum thermometer – temperature Rainfall gauge – rainfall in set time period Explain how climate change may lead to a short-haired arctic fox being more likely to survive than a long hairde one. Temperature is increasing Short haired fox able to lose heat better so less likely to overheat Short haired fox more likely to survive and pass genes on


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