Examlex
_____ is information collected specifically for a current research problem or opportunity.
Coexisted
Refers to the occurrence of two or more species, populations, or entities living together in the same environment at the same period in time.
Darwin
Charles Darwin, a 19th-century naturalist known for his contributions to the science of evolution and the theory of natural selection.
Billion Years
A time span equivalent to 1,000 million years, often used in the context of Earth's age or the time span of cosmic events.
Million Years
A unit of time equal to one thousand thousand (1,000,000) years, often used in geological and paleontological contexts.
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