معاجم الجيب العلمية - البيولوجيا .. الملحق - د - الفوارق بين النباتات والحيوانات

Academia - Collins Scientific Pocket Dictionaries - Biology
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Appendix D - Differences between plants and animals

Plants - Animals

- A cell surrounded by a cell wall
Cellulose.
- No cellulosic cell wall.

- Large vacuoles in cells filled with cell sap.
- Small gaps, if any.

- Large, specific cells.
- Small, irregularly shaped cells.

-Limited movement only.
- Free movement is possible.

- Slow response to stimuli.
- Quick response to alarm.

- The cells contain chloroplasts (chlorophyll).
- No chlorophyll generators.

- Photosynthesis.
You must obtain food from outside sources.

These differences in features should only be viewed as directed lines. Attempts to classify specific organisms within these reference limits are difficult and have created many major problems for scientists, as in the cases of germs, fungi, and viruses.