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Answers
1.seedling means a young plant especially one raised from seed and not from cutting.
2. A substance used for killing insects are insecticides
3.plants reproduce through sexual reproduction
when male and female gametes fertilizes give zygote .. and also through asexual reproduction
4.a method of propagating a plant in which a shoot is fasten down to form roots while still attached to the parent plant is called layering.
5. the development of a plant from a seed is known as germination
6.Seeds are dispersed by wind and water or through. human beings and reach at a certain place and germinate a new plants there
7. when farmer use good pesticides and not more in limit if he use more fertilizers also the crop will Damage so good pesticides and use insecticides to get good yield
8.the soil must be fertile and we need to pour water daily for germination of a seed
9.omnivores means it can eat veg and non veg they can eat herbivores and carnivores also
10.tadpoles breathe through their lungs and skin
11. insects breath through trachea
13.amphibians live in water where mammals liveonland amphibians respire through gills where mammals through lungs
14.gills are the respiratory organs of fishes and aquatic animals
15.A region where different animals live at a place is known as habitat example habitat of fish is water
16.Moving from one place to other is known as migration.especially birds migrate
17.fishes,starfishes,dolphins etc..
18.whales,blue whales,dolphins
19.mouth,eyes,teeth are important for animals to get their food especially eyes and mouth
20.fishes,frogs,tortoise etc..
hope helps you ....
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Explanation:
1.seedling means a young plant especially one raised from seed and not from cutting..
2. A substance used for killing insects are insecticides.
3.plants reproduce through sexual reproduction
when male and female gametes fertilizes give zygote .. and also through asexual reproduction.
4.a method of propagating a plant in which a shoot is fasten down to form roots while still attached to the parent plant is called layering.
5. the development of a plant from a seed is known as germination.
6.Seeds are dispersed by wind and water or through. human beings and reach at a certain place and germinate a new plants there.
7. when farmer use good pesticides and not more in limit if he use more fertilizers also the crop will Damage so good pesticides and use insecticides to get good yield.
8.the soil must be fertile and we need to pour water daily for germination of a seed.
9.omnivores means it can eat veg and non veg they can eat herbivores and carnivores also.
10.tadpoles breathe through their lungs and skin.
11. insects breath through trachea.
13.amphibians live in water where mammals liveonland amphibians respire through gills where mammals through lungs.
14.gills are the respiratory organs of fishes and aquatic animals.
15.A region where different. animals live at a place is known as habitat example habitat of fish is water.
16.Moving from one place to other is known as migration.especially birds migrate.
17.Tadpoles, Dragonfly nymphs.
18. Tuna and Shark.
19.mouth,eyes,teeth are important for animals to get their food especially eyes and mouth.
20 seahorse, walrus.