B2 Higher Recall Questions

B2 Higher Recall Questions 1. Using the binomial system for naming species what is the genus for Panthera Tigris (tiger), Panthera Leo (lion) and Ranunculus Repens ( buttercup )? 2. Using the binomial system for naming species what is the species for Panthera Tigris (tiger), Panthera Leo (lion)and Ranunculus Repens ( buttercup)? 3. What is the dierence between arti cial and natural classi cation system? 4. What is the de nition for species? . What are the two reasons that organisms appear similar? !. "n what dierent ways that energy can be lost from a food chain? #. Why do food chains always ha$e limited number of trophic le$els? %. Why can pyramids of numbers and pyramids of biomass ha$e dierent shapes? &. 'ow do plants obtain nitrogen from the soil? . What is the role of decomposers in the carbon and nitrogen cycles .What are the roles of the four types of bacteria in the nitrogen *. Why are oceans described as carbon sin+s? . -+etch a graph of predator and prey numbers why do pea+ in numbers of predators and prey not coincide? 4. What does the term parasitism mean? . 'ow does mutualism dier from parasitism? !. What does the term ecological niche mean? #. ist some adaptations that organisms ha$e for li$ing in cold conditions? %. ist some adaptations that organisms ha$e for li$ing in dry conditions? &. What is the dierence between a specialist and a generalist? *. /utline 0harles 1arwin2s theory of natural selection to e3plain h e$olution occurs? * . Why was 1arwin2s theory not accepted by many people at the time? **. What is the dierence between 1arwin2s theory and amarc+2s theory? * . Why is reproducti$e isolation important in speciation? *4. What are indicator species? 'ow can they be used to show le$els o pollution? * . What are the ad$antages and disad$antages of using indicator species? *!. What are the causes of global warming? *#. What are the conse uences of global warming? *%. Why do people in dierent countries ha$e dierent carbon footprints? *&. Why is it important to set up conser$ation programmes?

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B2 Higher Recall Questions1. Using the binomial system for naming species what is the genus for Panthera Tigris (tiger), Panthera Leo (lion) and Ranunculus Repens (buttercup)?2. Using the binomial system for naming species what is the species for Panthera Tigris (tiger), Panthera Leo (lion)and Ranunculus Repens (buttercup)?3. What is the difference between artificial and natural classification system?4. What is the definition for species?5. What are the two reasons that organisms appear similar?6. In what different ways that energy can be lost from a food chain?7. Why do food chains always have limited number of trophic levels?8. Why can pyramids of numbers and pyramids of biomass have different shapes?9. How do plants obtain nitrogen from the soil?10. What is the role of decomposers in the carbon and nitrogen cycles?11. What are the roles of the four types of bacteria in the nitrogen cycle?12. Why are oceans described as carbon sinks?13. Sketch a graph of predator and prey numbers why do peak in numbers of predators and prey not coincide?14. What does the term parasitism mean?15. How does mutualism differ from parasitism?16. What does the term ecological niche mean?17. List some adaptations that organisms have for living in cold conditions?18. List some adaptations that organisms have for living in dry conditions?19. What is the difference between a specialist and a generalist?20. Outline Charles Darwins theory of natural selection to explain how evolution occurs?21. Why was Darwins theory not accepted by many people at the time?22. What is the difference between Darwins theory and Lamarcks theory?23. Why is reproductive isolation important in speciation?24. What are indicator species? How can they be used to show levels of pollution?25. What are the advantages and disadvantages of using indicator species?26. What are the causes of global warming?27. What are the consequences of global warming?28. Why do people in different countries have different carbon footprints?29. Why is it important to set up conservation programmes?30. Why is genetic variation in a species important?31. What are some of the difficulties in trying to protect whales?32. What does sustainable development mean?