EVOLUTION
DARWIN’S THEORY OF NATURAL SELECTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Struggle for existence
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Evolution
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Fitness
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Artificial Selection
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Detailed explanation-1: -These included “dependence of one being on another, ” animals that “struggle with each other” over limited food resources, plants that “struggle for life against the drought” and that “struggle with other fruit-bearing plants, in order to tempt birds to devour and thus disseminate its seeds.”
Detailed explanation-2: -This is called intraspecific competition. This is the type of competition that is the driving force behind natural selection within a species. One reason for intraspecific competition is a scarcity of resources or mates.
Detailed explanation-3: -Competition among members of the same species is known as intraspecific competition, while competition between individuals of different species is known as interspecific competition.
Detailed explanation-4: -These include abiotic factors such as light, temperature and water, and oxygen for aquatic animals. There are also biotic factors such as food and predators.