Wisdom Builder
Quick Hits
MODE:
~
4 minutes
Animals.
Quick Hits
10 random key ideas.
1.
Dinosaurs were probably not movie-raptor smart, yet 170 million years of evolution and a badly incomplete fossil record give us good reason to keep an open mind.
2.
From History: Emerged 13 mya, extinct 9 to 7 mya
In early great apes like Dryopithecus, young apes learned survival behaviors by watching parents and group members. That’s cultural transmission. the passing of useful information.
3.
Yes. Dogs and wolves are the same species biologically, with dogs classified as a domesticated subspecies of the gray wolf.
4.
From History: 251,902,000 years ago (+/- 900 years).
The Permian-Triassic extinction was not just the end of many species. It was a planetary reset that destroyed the old synapsid-dominated world and opened the door for the archosaur line that would later give rise to dinosaurs.
5.
Blood evolved gradually over billions of years; oxygen-carrying hemoglobin later transformed complex life.
6.
From History: ~125 Million years ago
Tritylodontids were not mammals, but they were late-surviving mammal-side cousins that carried many mammal-like traits without crossing into the mammaliaform line.
8.
From History: Lived ~156 to 151 million years ago.
Apatosaurus was the heavier, more robust sauropod — more muscular-looking, with a thicker, lower-set neck and a bulkier frame.
9.
Bonobos and chimpanzees are separate species and cannot interbreed.
10.
From History: ~308 Million years ago
Early synapsids looked reptile-like, but they were not on the reptile line. They were the first recognizable step on the long road toward mammals.
Done. Refresh for another set.