To be reasonably sure that your observation will apply to the group you are studying, you should select a sample from the population and ensure that the selection is unbiased. The participants are selected at random to ensure that all the individuals in the group get equal chance of being represented in the sample. This removes the sampling bias in the sample.
The 6 kingdoms are P<span>lants, Animals, Protists, Fungi, Archaebacteria, and Eubacteria.</span>
Answer:
Evolution explains how living things are changing today and how modern living things have descended from ancient life forms that no longer exist on Earth. As living things evolve, they generally become better suited for their environment. This is because they evolve adaptations.Feb 23, 2012Explanation:
yes two sperm can fertilize one egg which creates twins
