Question

Give two examples of:
1. Dispersal by wind.
2.Dispersal by animals.
3. Plants reproducing through roots.
4. Plants reproducing through stem.
5. Plants reproducing through seeds​.

Answer 1

Explanation:

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. Dispersal involves the letting go or detachment of a diaspore from the main parent plant.

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. Some plants, like kauri and maple trees, have 'winged' seeds. They don't float away but flutter to the gro

Animals can disperse seeds by excreting or burying them; other fruits have structures, such as hooks, that attach themselves to animals' fur. Humans also play a role as dispersers by moving fruit to new places and discarding the inedible portions containing the seeds.

Seeds dispersed by water are contained in light and buoyant fruit, giving them the ability to float. Coconuts are well known for their ability to float on water to reach land where they can germinate. Similarly, willow and silver birches produce lightweight fruit that can float on water.

Dispersal Mechanisms: Seeds can be dispersed long distances by wind because they move in updrafts. Longevity: Dandelion seeds are not long lived in the soil. Dormancy: The seed of dandelion are not dormant and can germinate immediately in the same year that they mature of the plant.

Answer 2

Answer:

${\boxed{ \pink{Dispersal \: by \: wind}}}$

• Dandelions
• Swan plants
• Cottonwood trees

${\boxed{ \pink{Dispersal \: by \: animals}}}$

• Mangoes
• Guavas

${ \boxed{ \pink{Plants \: reproducing \: through \: roots}}}$

• Corms
• Stem tubers

${ \boxed{ \pink{Plants \: reproducing \: through \: stem}}}$

• Ginger
• Onion

${ \boxed{ \pink{Plants \: reproducing \: through \: seeds }}}$

• Bitter gourd
• Bread wheat

Explanation:

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