Edexcel IGCSE Biology 复习笔记 1.2.2 Eukaryotic Organisms: Animals & Plants
Edexcel IGCSE Biology 复习笔记 1.2.2 Eukaryotic Organisms: Animals & Plants
Animals
- The main features of animals:
- They are multicellular
- Their cells contain a nucleus with a distinct membrane
- Their cells do not have cellulose cell walls
- Their cells do not contain chloroplasts (so they are unable to carry out photosynthesis)
- They feed on organic substances made by other living things
- They often store carbohydrates as glycogen
- They usually have nervous coordination
- They are able to move from place to place
A typical animal cell
Cell Structures Found in Both Animal and Plant Cells Table
Plants
- The main features of plants:
- They are multicellular
- Their cells contain a nucleus with a distinct membrane
- Their cells have cell walls made out of cellulose
- Their cells contain chloroplasts (so they can carry out photosynthesis)
- They feed by photosynthesis
- They store carbohydrates as starch or sucrose
- They do not have nervous coordination
A typical plant cell
Cell Structures Found Only in Plant Cells Table
Exam Tip
You need to be able to recognise, draw and interpret images of cells, so practice drawing and labelling animal and plant cells as part of your revision.
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