EOYT Science

• Niche - the role of an organism in an ecosystem.
• Abiotic Factors - Non-living factors that affect the environment.
• Biotic Factors - Living things that can affect the distribution of organisms.
• Representative Samples - A sample that is representative of the population as a whole.
• Ecosystem - The biological community of an area, including the abiotic factors and the interactions between the biotic factors
• Population - A group of organisms of the same species
• Community - a group of populations of different species living in the same area.
• Habitat - The place where an organis lives
• Omnivore - An organism that eats both consumers and producers
• Carnivore


  An organism that only eats other consumers
• Herbivore

  An organism that only eats producers
• Consumer


  An organism that cannot make its own food
• Producer


  An organism that produces its own food
• Arrows in a food chain represent…

  Movement of Energy
• Ways energy is lost from a food chain

  • Cold blooded animals needing to be warmer
  • Pooing/Excretion
  • Not Eating all of the Organism
  • Reproduction
  • Movement
• What does the Grass represent in this diagram?

  Producer

  
• What does the Rabbit represent in this diagram?

  Primary Consumer

  
• What does the Fox represent in this diagram?

  Secondary Consumer

  
• What does the Hawk represent in this diagram?

  Tertiary Consumer

  
• True or False - Food Webs are more realistic than Food Chains
• Fuction of Flowers - Reproduce Seeds
• What is pollen - male sex cell
• What is fertilisation in plants - the male and female sex cell fusing to make a seed
• Five Cause of Food Insecurity

  •Global Warming

  •Pests

  •Droughts

  •War

  •Bees Dying
• 3 Ways We can Improve Food Security

  •Look after Pollinators

  •Use pesticides for pests

  •Plant more seeds
• Interdependence - How organisms rely on each other
• Bioaccumulation - when toxic chemicals build up in food chains making a deadly concentration of the chemicals
• Predator - an organism that hunts and kills other organisms for food
• Prey - an animal that is eaten by a predator
• Adaptation - a change in the structure or function of an organism in response to a particular environmental change
• 2 Adaptations of a Predator

  • Sharp Teeth

  • Eyes on Side of Head
• State 3 things animals would compete for.

  • Shelter

  • Food

  • Mate
• How do bees help to increase our food supply?

  Pollinate our Food
• What would a plants with tasty blackberries be competing for?

  Spreading Seeds
• What would a plants with large flowers be competing for?

  Pollinators
• What would a plants with weeds growing tall and fast be competing for?

  Light
• What would a plants that grow/spread along the floor be competing for?

  Space
• What would a plants with long roots be competing for?

  Water
• What is this?


  A Quadrat

  
• Word Equation for Photo Synthesis?

  Carbon dioxide + water -> glucose + oxygen