Page 60 - SUBSEC October 2017_Neat

UNIT 1
MODULE 2: GENETICS, VARIATION AND NATURAL SELECTION (cont’d)

SPECIFIC OBJECTIVES EXPLANATORY NOTES SUGGESTED PRACTICAL
ACTIVITIES

Natural Selection (cont’d)

Students should be able to:

5.4. discuss the biological Discussion of the
species concept; and, limitations of this
concept, for example, in
breeding.

5.5. explain the process of Isolating mechanisms –
speciation. reproductive, geographic,
behavioural and
temporal, allopatric and
sympatric speciation with
reference to two named
examples.

Suggested Teaching and Learning Activities

To facilitate students’ attainment of the objectives of this Module, teachers are advised to engage
students in the teaching and learning activities listed below.

1. Allow students to attempt several exercises with the mathematical aspects of Biology in order
to gain familiarity and to appreciate the levels of significance.

2. Have students conduct review of literature on biodiversity and conservation, and make
presentation to the class.

3. Invite resource personnel to do presentation on plant biotechnology.

4. Engage students in a discussion of how humans use artificial selection to create, for example,
domesticated animals, different breeds of dogs, chickens that lay a lot of eggs, Barbados
Blackbelly sheep, and Jamaica Hope.

CXC A10/U2/17
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