Tag
#natural history
3 posts
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Biology Mass Extinctions: Life's Great Resets
Five times in Earth's history, the majority of all living species have been wiped out in a geologically brief moment. Mass extinctions reshape the biosphere — and recovery from them looks different every time. A guide to the Big Five, what caused them, and why some scientists think we're in the middle of a sixth.
by BiologyContest -
Biology Natural Selection Explained: How Species Change
Natural selection is the mechanism Darwin proposed to explain how species change over time — and it remains the central organizing idea of all modern biology. A walkthrough of what it actually is, what it isn't, and how it works in real populations today.
by BiologyContest -
The Evolution of Life: A Journey Through Time
Life on Earth is the result of billions of years of evolution, a process driven by natural selection, mutation, and adaptation. This incredible journey…
by BiologyContest
