In an oligopoly type of market, there are only few producers whom dominate the market. This is the market type wherein there are only small number of firms that control the majority of the market share. The opposite to Perfect Competition, wherein there are unlimited number of producers. In an oligopoly, since there are only a few numbers competitors, each firm is likely to be aware of each other's action.
Some may assume that movement and locomotion are the same, but these two words have certain differences. Movement is known to be the time when a living organism will move from one place to another. Locomotion means that the movement that the living organism did has made changes to the current position of the organism.
B Nature selection for traits the allow for increased rates of reproduction and survival over traits that don't, is correct.
A is also correct
Science is based on the feature of "<span>detailed research with reliable sources" among many other things. It is crucial that the tests can be repeated with the same results. </span>