... of species is limited by the amount of food available. If prey ... increases, the ... of predators will also increase. If predator ... increases, ... of prey will decrease
Back
Card 9
Front
... are square frames measuring certain areas. To use: 1) Place it on the ground randomly. 2) Count the number of organisms within the ... 3) Repeat as many times as possible to collect enough data. 4) Calculate mean with Total Number / Number of ...
Back
Card 10
Front
... show how organisms are distributed across an area. To use: 1) Mark out a line with a tape measure. 2) Collect data along the line with quadrats or just by counting. Percentage of organisms = No. of squares covered/No. of squares in quadrat x 100
Back
Card 11
Front
... can cause the distribution of organisms to change -> a change in where an organism lives. A change in water availability. A change in temperature. A change in atmospheric gases
Back
Card 12
Front
The ... : 1)Evaporation or Transpiration 2)Condensation 3)Precipitation 4)Drain into the sea and ... starts all over again
Back
Card 13
Front
... : 1) ... removed from air for photosynthesis 2)Some is returned in plant respiration 3)Other animals eat plants ... becomes part of the food chain 4)Some is returned in animal respiration 5)When plants, or animals die, they are decayed etc
