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5 marksEcological Studies and Factors

CSEC Biology · January 2018 · Paper 2 · Question 1(a)

Students conducted an ecological study on a tree, collecting data on various organisms found there.

Plot the data from Table 1 on the grid provided on page 5.

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Other parts of this question

  1. 1(b)Name and outline TWO possible sampling methods that the students may have used to collect the data shown in Table 1.[4 marks]
  2. 1(c)Select from Table 1, ONE organism which belongs to EACH of the following taxonomic groups: Arthropod, Reptile, Bird, Amphibian.[4 marks]
  3. 1(d)Explain how the method of nutrition used by the wild pine differs from the method of nutrition used by the other organisms in the table.[2 marks]
  4. 1(e)(i)Name and describe the type of relationship that exists between the wild pine and the tree.[2 marks]
  5. 1(e)(ii)One student observes an orange-yellow vine growing on one portion of the tree where the leaves are dying. How does the relationship between this vine and the…[2 marks]
  6. 1(e)(iii)State TWO reasons why the vine causes the leaves of the tree to die.[2 marks]
  7. 1(f)Of the six lizards collected, four are green and two are brown. These are later classified by field scientists as members of the same species. Use the theory…[4 marks]

More practice: the rest of this paper · more Ecological Studies and Factors questions · all CSEC Biology past papers