Презентация к уроку на тему" Экология"

• 1 слайд

  Ecological problems
  Tkacheva Victoria
  9 “А”
  

• 2 слайд

  What is the Ecology???
  Ecology is the scientific study of the relation of living organisms to each other and their surroundings.
  .Ecology includes the study of plant and animal populations, plant and animal communities and ecosystems.
  
  
  

• 3 слайд

• 4 слайд

  Climate change
   Climate change is a long-term change in the statistical distribution of weather patterns over periods of time that range from decades to millions of years. It may be a change in the average weather conditions or a change in the distribution of weather events with respect to an average, for example, greater or fewer extreme weather events. Climate change may be limited to a specific region, or may occur across the whole Earth.
  

• 5 слайд

  Global Warming
  Global warming is the increase in the average temperature of Earth's near-surface air and oceans since the mid-20th century and its projected continuation.
  

• 6 слайд

  Genetically modified foods
  Genetically modified (GM) foods are foods derived from genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques.These techniques are much more precise than mutagenesis (mutation breeding) where an organism is exposed to radiation or chemicals to create a non-specific but stable change.
  

• 7 слайд

  Overuse of pesticides
  A pesticide is any substance or mixture of substances intended for preventing, destroying, repelling or mitigating any pest. A pesticide may be a chemical substance, biological agent (such as a virus or bacterium), antimicrobial, disinfectant or device used against any pest.
  

• 8 слайд

  Toxic waste
   Toxic waste is generally described as many discarded material that is dangerous to any life form, including humans, animals and plant life. Toxic waste can pollute the air, land and water.Toxic waste is defined as liquid, solid, contained gas or sludge waste that contains properties that are dangerous or potentially harmful to human health or the environment.
  

• 9 слайд

  We mustn’t
  drop litter in public places
  pick up wild flowers
  break branches of trees
  

• 10 слайд

  We should
  recycle bottles , paper
  save the water and the electric
  power at our homes take care of wild birds and animals
  

• 11 слайд

  Let's Save Our Planet !