Question

Explain each agent of dispersal of seeds in detail

Answer 1

Answer:

Here is the ans

Explanation:

Seed dispersal is the movement, spread or transport of seeds away from the parent plant. ... There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus

please follow m

have a nice day

Answer 2

αnswer :-

Plants are fixed to the ground and cannot move from one place to another . If all baby plants grow near the parent plant , not all would survive . They would not get enough sunlight , food , water and space to grow , Hence , there are some agents in nature to scatter these seeds . These agents carry the seeds or fruits away from their parent plant . This process is called dispersal .  

_____________

Agents of Dispersal ::  

1. Wind  

Seeds like –  

• Cotton  
• Midar  
• Hiptage  

They are light and have hair or wings , so they can be easily carried by wind .  

_____________

2. Water  

Seeds like –  

• Lotus  
• Coconut  

They have a spongy part or fibrous outer covering to enable them to float on water .  

_____________

3. Animals  

Seeds like –  

• Xanthium  
• Tiger Nail Seed  
• Spear Grass  

Human beings and animals eat fruits like cherries , mangoes and throw away their seeds . Some seeds have hooks or spines . They get stuck to the hairy skin of animals and are carried away . Bird swallow some seeds which come out unchanged in their droppings .

_____________

4. Explosion  

Seeds like –  

• Pea  

Some fruits like pea in a pod , burst open or explode when dry . The force of explosion helps to scatter the seeds .  

_____________