(a)
To explain: The environmental factors that prevent unlimited growth.
Concept introduction: A population is a group of interbreed organisms of same species that lives in same area. Demographics are the statistics used to describe population. The rise in number of individuals in a population is called population growth. The
(b)
To explain: The reason behind the environmental factors is common for populations of species that enter a new region to grow exponentially for a period of time.
Concept introduction: A population is a group of interbreed organisms of same species that lives in same area. Demographics are the statistics used to describe population. The rise in number of individuals in a population is called population growth. The rate of population growth becomes more rapid in proportion to the growing total size of population.
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