GIVE RESONS FOR THE FOLLOWING:-
1. Insect pollinated flowers are brightly coloured and sweet smelling.
2. spores are covered by a hard covering
3. Wind pollinated flowers produce large number of pollen grains.
covered by a hard
4. Hooks and spines are
present in seeds or fruits dispersed by animals.
5. Seed dispersal helps the plant.
please help me
Answers
Answer:
Insect pollinated flowers are brightly coloured and sweet smelling to attract insects to itself.
Spores are covered by a hard covering to provide protection from harsh conditions.
During wind pollination many pollen grains are lost. So to ensure that at least
some pollens reach the stigma, a large number of pollen grains are produced.
Hooks and spines help seeds and fruits to stick to the bodies of animals and be safely dispersed or transported to far off places.
To avoid growing of the plants at one place leading to scarcity of nutrients and ensure survival of the plants, seeds are dispersed
Answer:
okay pls wait.............
Explanation:
1. Insect pollinated flowers are brightly coloured and sweet smelling to attract insects to itself. Spores are covered by a hard covering to provide protection from harsh conditions. some pollens reach the stigma, a large number of pollen grains are produced.
2. Spore is covered by a hard protective thick wall to enable them survive under unfavourable conditions like lack of moisture, lack of nutrients and extreme temperature. Under favourable conditions, a spore germinates and develops into a new individual. ... Thus, the spores can survive for a longer period of time.
3. Since the pollen grains are light weight so they fly off in large number lot of them get wasted so they produce large number of pollen grains.
4. The seeds that are carried by the animals have spines or hooks because they can easily attach to the fur or the feathers of the animals and get transported without falling down.
5. Dispersal of seeds is very important for the survival of plant species. If plants grow too closely together, they have to compete for light, water and nutrients from the soil. Seed dispersal allows plants to spread out from a wide area and avoid competing with one another for the same resources.