Biology s4, 3rd. term quest feb 2014
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Biology s4, 3rd. term quest feb 2014

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Biology s4, 3rd. term quest feb 2014 Biology s4, 3rd. term quest feb 2014 Document Transcript

  • Materia: Biology Senior 4 Profesora: Ma. Magdalena Ravagnan Contenido nodal: Organisms and their environment TERCER TRIMESTRE Fecha de presentación: February 2014 1) Fig. 6.1 shows a food web from the Antarctic. (a) (i) State the original source of energy for this food web. (ii) Name an organism in this food web that is both a secondary and a tertiary consumer.
  • (b) Write in the names of organisms from Fig. 6.1 to form a complete food chain. (c) There is concern that pollution of the environment may change the breeding grounds of the Adelie penguin. State and explain the effect this might have on the populations of the Leopard seal and the Ross seal. -Leopard seal -Ross seal 2) Explain the effects of an increase in the concentration of carbon dioxide in the atmosphere. 3) Name and xplain the human impact on the environment shown in the picture