The table shows some cellular features of three groups of organisms.
Complete the table using a tick (✓\checkmark✓) to show that the group of organisms typically possesses the feature, and a cross (×\times×) if the feature is absent.
| Group | Cell wall | Plasmids | Nucleus | Mitochondria |
|---|---|---|---|---|
| fungi | ×\times× | |||
| bacteria | ✓\checkmark✓ | |||
| animals | ✓\checkmark✓ |
Pathogens can belong to several different taxonomic groups.
Name a group of eukaryotic organisms that contains pathogens, other than fungi.
Give an example of a disease in humans caused by a virus.
33 exam-style questions on Edexcel IGCSE Biology Variety of living organisms. Each one has a worked solution and a mark scheme showing where the marks go.