Question

Subjective Type Questions
5. Answer the following.
a) What is germination?
(b) What is seed dispersal?
e) Name the different ways plants disperse seeds, giving examples of each

(d) How do animals help in seed dispersal?
le) How is water helpful in seed dispersal? Give examples
(Do humans also help in seed dispersal? How? Give an example​

Answer 1

Answer:

the process by which plant grow is called germination

Answer 2

Answer:

(a).dispersion is defined as the scattering of something from one place to another.

(b)some plants have fruits which is seed and when these seeds dispersed from one place to another by any medium is called seed dispersion

(c) by wind ,by water,by animals.

1. by wind.

Seeds from plants like dandelions, swan plants and cottonwood trees are light and have feathery bristles and can be carried long distances by the wind.

2. by water

Mangrove trees live in estuaries. If a mangrove seed falls during low tide, it can begin to root in the soil. If the seeds fall in the water, they are carried away by the tide to grow somewhere else.

3.by animals

Some seeds have hooks or barbs that catch onto an animal’s fur, feathers or skin. Plants like pittosporum have sticky seeds that can be carried away by birds.(this ia also the answer of (d) and (e))

Explanation:

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