people
Actually, a biological species is the answer.
a species
species
species
A group of organisms that can reproduce and create viable offspring is called a species.
A population of organisms that can reproduce fertile offspring is called as species
This could be referred to as "sexual reproduction."
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The is called Adaptation.
The is called Adaptation.
The is called Adaptation.
adaptation
a species
Natural Selection. Survival of the fittest. The organisms with the best traits are able to survive and reproduce.
Co-evolution.