Living organisms needs water to survive. fresh water also carries fresh nutrients.
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An Asexual reproduction means that the parent organism will simply split into two child organisms, and that there will be no mixing of the DNA, as it is the case in case of the sexual reproduction which mixes up the DNA. Therefore the child and the parent organism will contain exactly the same genetic material
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They catch smaller insects in flight, and their large eyes allow them to spot any likely victim from a distance. ... The insect prey is caught by the dragonfly's legs, and spines on the legs prevent the victim from struggling free. The insect prey is usually eaten while the dragonfly continues flying.
Both animal fats and plant oils are made up of glycerol and fatty acids. It is actually a carboxylic acid that contains a hydrocarbon chain and also a terminal carboxyl group. It can be either in saturated or unsaturated form. I hope that this answer has come to your help.
2.66667 m/sec use the equation for speed d/t = s