Monarch butterflies and viceroy butterflies are both found in the United States and parts of Canada and Mexico. Monarch butterflies have a particular orange and black wing pattern and are toxic. Viceroy butterflies are non-toxic but have a very similar wing pattern to the monarch. Scientists have observed that attempted predation of viceroy butterflies is lower in regions that are also inhabited by monarch butterflies. Why would natural selection select for a non-poisonous butterfly with the same markings as a poisonous butterfly?

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Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.