In one brief line in 1859, Darwin moved human origins inside science. His quote signaled that our species should be studied as part of nature.
From History: 307 million years ago
By 307 million years ago, land herbivory had already begun in early reptiles known as microsaurs.
Survival belongs to organisms that respond effectively to change as environments shift over time.
From History: Before 64000 BCE
Most scientists treat Neanderthals, Denisovans, and Homo sapiens as separate species that interbred, but the debate remains open.
From History: 1.65 Billion Yeas Ago (+/- 50 million)
Around 1.65 billion years ago, major eukaryotic lineages diverged, setting the ancestral paths that would eventually lead to plants, fungi, and animals.
From History: 340 Million years ago (+/- 10 million)
The amniotic egg evolved in the first amniotes, which evolved into today’s reptiles, birds, and mammals.