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ya dog

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Natural selection   The process by which forms of life having traits that better enable them to adapt to specific environmental pressures.  
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Adaptation   the act of adapting.  
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Competition   the act of competing; rivalry for supremacy, a prize, etc.  
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Predator   any organism that exists by preying upon other organisms.  
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Mutualism   a relationship between two species of organisms in which both benefit from the association.  
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Parasitism   a relation between organisms in which one lives as a parasite on another.  
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Niche   the position or function of an organism in a community of plants and animals.  
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Predation   a relation between animals in which one organism captures and feeds on others.  
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Prey   an animal hunted or seized for food, especially by a carnivorous animal.  
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Symbiosis   the living together of two dissimilar organisms, as in mutualism, commensalism, amensalism, or parasitism.  
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Commensalism   a type of relationship between two species of a plant, animal, fungus, etc., in which one lives with, on, or in another without damage to either.  
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Parasite   an organism that lives on or in an organism of another species, known as the host, from the body of which it obtains nutriment.  
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Host   a living animal or plant from which a parasite obtains nutrition.  
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