Question
Differentiate between
xerophytes and hydrophytes
xerophytes and hydrophytes
| Xerophytes | Hydrophytes | ||
| 1 | These are plants that grow on dry land like deserts where there is a scarcity of water. | 1 | These plants need maximum water to grow and hence live in water. |
| 2 | Leaves are reduced to spines to minimize the loss of water. | 2 | Leaves have a waxy coating to protect themselves from water. |
| 3 | Roots are long and reach deep layers of the soil. | 3 | Roots are very reduced as water is available in plenty. |
| 4 | e.g. Cactus, babul | 4 | e.g. Hydrilla, lotus. |
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| Group | Characteristics | ||
| 1. | Molluscs | a. | Feed milk to young ones, warm-blooded |
| 2. | Spongers | b. | bag-like body with tentacles around the opening |
| 3. | Flatworms | c. | fins, gills and cold-blooded |
| 4. | mammals | d. | body with large opening and many small pores all over |
| 5. | Fish | e. | jointed legs, exoskeleton |
| 6. | cnidarians | f. | have only one opening |
| 7. | arthropods | g. | hard shell, soft body |
| h. | cylindrical, unsegmented body with mouth at one end and anus at the posterior end |
| Column A (Tissue) | Column B (function) |
| (a) Epithelial tissue | i. Movement |
| (b) Connective issue | ii. Protection |
| (c) Vascular tissue | iii. messages |
| (d) Nervous tissue | iv. support |
| (e) Muscular Tissue | v. transport |