feeding relationships between all living organisms. This section continues by looking at the energy flow in food chains and food webs, balance in an ecosystem, adaptations of organisms to the environment and conservation of the ecosystem. Learners are then introduced to micro-organisms. Various aspects including the different types and those that are harmful and useful are explored.


Content Topic


1 Photosynthesis and respiration


2 Interactions and inter- dependence within the environment


Unit Content


1 Photosynthesis 2 Respiration


1 Introduction to ecology and ecosystems


2 Feeding relationships


3 Energy flow: Food chains and food webs


4 Balance in an ecosystem 5 Adaptations


3 Micro- organisms


Assessment


The following activities in this term are suitable for formal assessment: Activity Activity


Type of activity


Practical activity


Practical activity Project


Test


Show that green leaves produce starch


Investigate the growth of yeast under different conditions


Find out more about a scientist’s contribution to modern medicine


Strand 1 Exemplar test LB


page 15


58 57 61 TG page 29 Rubric 52 Rubric 50 Rubric – Memorandum Assessment Assessment tool TG


page 30


52 51 139 Pacing (time allocation)


2 hours 2 hours 3 hours


2 hours 2 hours


1 hour 1 hour


6 Conservation of the ecosystem 1 hour 1 Types of micro-organisms 2 Harmful micro-organisms 3 Useful micro-organisms


1hour


1½ hours 1½ hours


LB


page 12 16 20


26 30


34 38 44 48 52 56


TG


page 28 30 32


35 37


40 42 44 47 49 51


27


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