1.2 Describe the common features shared by organisms within the following
main groups: plants, animals, fungi, bacteria, protoctists and viruses,
and for each group describe examples and their features as follows.
(Details of life cycle and economic importance are not required).
1.3 Recall the term ‘pathogen’ and know that pathogens may be fungi, bacteria, protoctists or viruses.
Pathogens are microorganisms that cause infectious disease. Bacteria and viruses are the main pathogens.
Bacteria, fungi, viruses and protoctists all cause disease in a variety of ways.
For example,
Bacteria release toxins. Diseases include food poisoning, cholera and typhoid.
Viruses destroy host cells. Diseases include
Bacteria, fungi, viruses and protoctists all cause disease in a variety of ways.
For example,
Bacteria release toxins. Diseases include food poisoning, cholera and typhoid.
Viruses destroy host cells. Diseases include