The correct answer is natural selection.
The process which drives to Darwin theory of evolution is a natural selection. Darwin theory is referred to as biological evolution which was developed by Charles Darwin which states that all types of species of organisms are known to develop and arise through natural selection.
Those small natural selection are either inherited variations which increases the ability of individual in order to reproduce , survive, and to compete.
In Darwin theory he included transmutation of species concept of evolution.
The lining of the back of eye containing two types of photoreceptor cells - rods - sensitive to dim light and black and white - and cones - sensitive to colour. A small area called the fovea in the middle of the retina has many more cones than rods.
A comprehensive world view or worldview is the fundamental cognitive orientation of an individual or society encompassing the entirety of the individual or society's knowledge and point of view. A world view can be based on natural philosophy; fundamental, existential, and normative postulates; or themes, values, emotions, and ethics. Hope that helps.
Trophic level 3 represents the secondary consumers
Trophic level 4 represents the Tertiary consumer
Those are characteristics of a savanna (also known as a tropical grassland). They have two distinct seasons; a wet season (summer) and a long dry season (winter). They can usually be found between a tropical rain forest and a desert.
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