Biology- B7 Part B 0.0 / 5 ? BiologyEcologyGCSEAQA Created by: 13clarkenCreated on: 07-06-18 14:15 8693571014 Across 1. ... : 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 (6, 5) 4. ... are the animals eaten by predators (4) 5. ... 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 (10) 9. ... 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 ... (8) Down 1. Producers are eaten by primary ... Primary ... are eaten by secondary ... and secondary ... are eaten by tertiary ... (9) 3. The ... : 1)Evaporation or Transpiration 2)Condensation 3)Precipitation 4)Drain into the sea and ... starts all over again (5, 5) 6. ... 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 (9) 7. ... show what eats what; where the energy is passed on to. they always start with a producer which makes its own food from the sun. they are usually green plants or algae. Biological molecules are made by producer. They are the plants biomass (mass) (4, 6) 8. ... hunt and kill other animals (9) 10. ... adaptations: Way organisms behave. Many species migrate to warmer climates during the winter to avoid cold conditions (11)
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