IGCSE Biology
Thursday 7 September 2017
1.3 recall the term ‘pathogen’ and know that pathogens may be fungi, bacteria, protoctists or viruses.
Pathogens
A pathogenic organism is a micro-organism capable of causing disease to its host or to another organism. The following kingdoms are pathogenic;
The Fungi Kingdom
The Bacteria Kingdom
The Protoctist Kingdom
Viruses (In a host cell)
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