A LEVEL BIOLOGY
A LEVEL BIOLOGY
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Topic list
- How living organisms form ecosystems through which energy is transferred and chemical elements cycled
- How human activity affects ecological balance in a variety of ways
- How genetic variation and isolation may lead to the formation of new species.
Assessment
Written Paper: | 1 hour 30 minutes |
Weighting: | 16% of total A Level marks |
Six - nine short answer questions plus two longer questions (a short comprehension and a short structured essay)
Topic list
- Stimulus and responses - the biology of the nervous and endocrine systems
- Homeostasis and the maintenance of a constant internal environment
- Genes and genetic expression
Assessment
Written Paper: | 2 hours 15 minutes |
Weighting: | 23% of total A Level marks |
Eight - ten short answer questions plus two longer questions (a data-handling question and a synoptic essay - choice of one out of two)