Which of the following is called ‘Amphibians of Plant Kingdom&rs...
- Bryophytes is called the ‘Amphibians of Plant Kingdom’.
- These plants live in soil but they need water for sexual reproduction.
- The sperm of these plants are flagellate and need water to swim to the eggs.
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Which of the following is called ‘Amphibians of Plant Kingdom&rs...
Amphibians of Plant Kingdom
Bryophytes are often referred to as the "Amphibians of Plant Kingdom" because they show characteristics of both algae and higher plants. Here's why they are considered as such:
Characteristics of Bryophytes:
- Bryophytes are simple, non-vascular plants that lack true roots, stems, and leaves.
- They generally require a moist environment to survive and reproduce, similar to amphibians that need water for breeding.
- Like algae, bryophytes lack vascular tissues for the transport of water and nutrients, making them dependent on diffusion. This is a primitive characteristic similar to algae.
- Bryophytes also reproduce using spores, a characteristic shared with both algae and higher plants.
Adaptation to Land:
- Despite being similar to algae in many ways, bryophytes have adapted to terrestrial environments, making them the transitional group between aquatic algae and higher plants.
- They have evolved specialized structures like rhizoids for anchorage and absorption, and gametangia for sexual reproduction on land.
Ecological Importance:
- Bryophytes play a crucial role in ecosystems by contributing to nutrient cycling, soil formation, and providing habitat and food for various organisms.
- They are also indicators of environmental health, as they are sensitive to pollution and changes in their habitats.
In conclusion, bryophytes are often called the "Amphibians of Plant Kingdom" due to their transitional nature between algae and higher plants, their adaptation to land, and their ecological importance in various ecosystems.