3 Exam-style questions A. Nitrogen and methane Which of the following statement is correct?Which substances increase the greenhouse effect by the greatest amount?A. A community is the place where several different species live.B. Heterotrophs are organisms that feed off organic matter.C. Decomposers bacteria are detritivoresD. A habitat is a community and its abiotic environment.A. Nitrogen and methaneB. Sulfur dioxide and nitrogenC. Methane and HFCsD. Oxygen and HFCs
4 QuestionsState the difference between energy movement and nutrient movement in an ecosystem.State 2 ways in which the formation of peat differs from the formation of coal.Explain what the arrows represent in a food chain.Describe what is meat by a food web.List 3 ways energy is lost when moving from 1 trophic level to the next.The leaves of a tree store 20,000 J m-2 y-1 of energy. Estimate the amount of energy stored by the caterpillar that feed on the leaves.
6 Classification of biodiversity Binomial system of classification7 levels of taxonomyCarolus LinnaeusCarl Woese4 Main phyla of plant kingdom7 Phyla for some the animal kingdomDichotomous keyCladogram/ Cladistics