Gause's Competitive Exclusion Principle
The 'competitive exclusion principle' (CEP) states that two species with identical niches cannot coexist indefinitely. ... Gause helped propel ecology by his approach of experimentally testing mathematical models, and his unifying the concept of the niche with resource competition.
The nutrient that is responsible for causing most accidental deaths in children is iron.
Cytoplasm or endoplasmic reticulum