These 10 animal facts will amaze you. A polar solvent is a liquid with molecules that have a slight electrical charge due to its shape. For example, water is a molecule with one oxygen and two hydrogen atoms.The two hydrogen atoms are not on opposite sides of the oxygen, but rather at an angle.hese 10 animal facts will amaze you. A polar solvent is a liquid with molecules that have a slight electrical charge due to its shape. For example, water is a molecule with one oxygen and two hydrogen atoms.
1. an example of selective breeding is crossing a poodle and a labor-doodle that have desired traits. usually this is practiced on by plants and animals.
Even when species that may seem to be closely related do succeed in breeding, the offspring are usually infertile. A horse, for example, can mate with a donkey, but the offspring (a mule) is sterile. With genetic engineering, scientists can breach species barriers set up by nature. For example, they have spliced fish genes into tomatoes. The results are plants (or animals) with traits that would be virtually impossible to obtain with natural processes, such as crossbreeding or grafting.