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Process of Seed Dispersal Video Lecture - Class 7

FAQs on Process of Seed Dispersal Video Lecture - Class 7

1. What is seed dispersal?

Seed dispersal is the process by which seeds are scattered or spread away from the parent plant to new locations. This is important for the survival and growth of plants as it helps in avoiding competition and increasing the chances of a seed finding a suitable environment to grow.

2. How are seeds dispersed?

Seeds can be dispersed in various ways. Some common methods of seed dispersal include wind dispersal, water dispersal, animal dispersal, and self-dispersal. Wind dispersal occurs when seeds are carried away by the wind, water dispersal happens when seeds are transported by water bodies, animal dispersal occurs when seeds are ingested by animals and later excreted, and self-dispersal takes place when seeds are forcefully expelled from the parent plant.

3. Why is seed dispersal important for plants?

Seed dispersal is important for plants because it allows them to colonize new areas and avoid competition with the parent plant. By dispersing seeds to different locations, plants increase the chances of finding suitable habitats with enough resources for growth and survival. It also helps in the genetic diversity of plant populations, which is crucial for their long-term survival and adaptation to changing environments.

4. How do animals help in seed dispersal?

Animals play a significant role in seed dispersal. Many plants have evolved mechanisms to entice animals to eat their fruits or seeds. The seeds are protected by a hard outer covering, allowing them to pass through the digestive system of animals unharmed. When animals excrete the seeds in a different location, they help in dispersing the seeds. Some animals, like birds and squirrels, also hoard seeds for later consumption but may forget to retrieve them, leading to seed dispersal.

5. Can humans be involved in seed dispersal?

Yes, humans can also be involved in seed dispersal. Sometimes, humans intentionally disperse seeds for agricultural purposes or to establish new plant populations in specific areas. For example, farmers disperse seeds by sowing them in fields to grow crops. Humans can also unintentionally disperse seeds through various activities like hiking, gardening, or even carrying seeds on their clothes or shoes. However, natural seed dispersal mechanisms are generally more effective and sustainable for plant populations.

Text Transcript from Video

[Music]
what was that
what does your feet just happened yes
those were monkeys and they are being
taken away by the wing so that they can
go through a new place and grow to be a
healthy new plant like you keep getting
interesting day by day what if it's born
again some more about this health course
this process is called seed dispersal
and in my case it is called wins
classroom as the wind blew my sleeves
away if I had slightly 20 seeds rather
than light ones then maybe an animal
passing by but I've taken my seeds how
is that
well the seeds would get stuck to its
fur and later we have brushed up new
locations I suppose even living in water
but there aren't any funny animals works
[Music]
that's a great question when the sink
would have been dispersed through water
in this case you see it would float on
water and be taken to a new place to
grow Wow
even I want to swim we are very
interesting creatures on this planet
[Music]

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Oct 07, 2025 Last updated

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