Animals are the largest kingdom.Animals are multicellular eukaryotes. Their cells contain a nucleus surrounded by a nuclear membrane, and other membrane-bound organelles such as mitochondria.They do not have chloroplasts.Movement of cells is by contractile elements such as actin and tubulin. Movement of the whole organisms is by muscle contraction.
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Specification: OCR Biology A (H020), AS-level, 4.2.2 Classification and evolution. Topic: Classification and Evolution.
More in Classification and Evolution
- Prokaryotae
- Protoctista
- Fungi
- Plantae
- Classification
- The Three Domain System
- Archaebacteria and Eubacteria
- Phylogeny
All 36 lessons in Classification and Evolution · All OCR AS-level Biology topics