QUIZ 1 ECOLOGY WORDS AN AND ADAPTATIONS

Transcription

1 ECOLOGY HL QUIZZES

2 QUIZ 1 ECOLOGY WORDS AN AND ADAPTATIONS 1. Here is where an organism lives 2. the organisms of ONE species living in a habitat 3. the population of different organisms living in a habitat 4. the interaction of a community of biotic and abiotic factors 5. State the difference between Biotic and Abioic factors 6. List 4 Abiotic factors 7. List 4 Biotic factors 8. A functional adaptation that occurs in hot climates 9. A structural adaptation of a cactus 10. A behavioural adaptation.

3 QUIZ 2 - QUADRATS 1. You want to find out how common an organism is in a given area, which sampling technique will you use? 2. How do you calculate the mean value? 3. How do you calculate population size? 4. You want to find out the affect of a given factor on the distribution of plants, which sampling technique will you use? 5. If you complete a line transect of 30m, suggest the interval between each quadrat sample. 6. Why do we estimate the number of plants as a % and not count each one individually? 7. List the environmental factors that affect the distribution of plants (3) 8. If you repeat your investigation, why does this improve your data?

4 QUIZ 3 FOOD CHAINS 1. Food chains always start with a 2. A p gets its food from the s. 3. The glucose is produced by a process called. 4. This can be written as an equation. 5. Glucose is used to make up many biological components. This makes up the of the organism. 6. The b acts as a store of e that is transferred through the. 7. Give one reason why energy is lost at each level throough the food chain. 8. What happens if there is an increase in prey in a community? 9. What happens if there is an increase in predators in a community? 10. State one thing that will limit the size of a population.

5 QUIZ 4 CYCLING OF NATURAL RESOURCES. 1. State the four steps in the water cycle. (4) 2. How do green plants and algae remove carbon dioxide from the atmosphere? 3. How do plants and animals return carbon dioxide to the atmosphere? 4. How do detritus feeders and microbes return carbon dioxide to the atmosphere? 5. How can fossil fuels be used to return carbon dioxide to the atmosphere? 6. State the right conditions for decay to happen. 7. Is there a difference between animal respiration and plant respiration?

6 QUIZ 5 BIODIVERSITY AND DEFORESTATION 1. The variety of different species of organism on Earth / within an ecosystem = 2. Why is a high level of biodiversity important? 3. Why is the human population increasing? 4. What is the impact on the water systems? 5. What is the impact on the atmosphere? 6. Why is there an increase in nuclear waste? 7. State four reasons why humans are using more land. 8. Give a definition for deforestation. 9. A peat bog is both a and wa. 10. How is carbon dioxide be released from peat?

7 QUIZ 6 ENGINEERING INSULIN (SEPARATES) State the sequence of steps to produce insulin using bacteria. (2 points for each step_ 1) Plasmid removed from bacterium 2) Insulin gene is cut out using restriction enzymes 3) Plasmid is cut open with restriction enzyme to reveal sticky ends 4) Plasmid and human DNA mixed ligase joins the sticky ends together. 5) This is inserted into the bacterium and harvested and purified once replicated.

8 QUIZ 8 MAINTAINING ECOSYSTEMS AND THE GREENHOUSE EFFECT 1. State three programmes in place to maintain plant biodiversity in the ecosystems. 2. Describe one programme used to prevent the extinction endangered species. 3. Give two reasons why many programmes to support biodiversity are not fulfilled. 4. Why is there aa higher demand on our food supply? 5. Why are some farmers experiencing a loss of crops.? 6. What is a sustainable level of fish stock? 7. Give two examples of the programmes in place to maintain fish stocks. 8. Describe the conditions for factory farmed livestock. 9. Name the two main greenhouse gasses that act as an insulating barrier. 10. State four consequences of global warming.