Wisdom Builder
Quick Hits
MODE:
~
4 minutes
Animals.
Quick Hits
10 random key ideas.
1.
The ability for all animals to distinguish between species, predators, and allies is called conspecific recognition.
2.
From History: ~250 million years ago (+/- 10 million)
LCA of crocodiles and birds — the larger archosaur branch that later gave rise to crocodilians, pterosaurs, dinosaurs, and birds.
3.
Blood evolved gradually over billions of years; oxygen-carrying hemoglobin later transformed complex life.
4.
From History: 225 million years ago (±5 million years)
Not yet a “full” mammal, the last common ancestor between us and the platypus lived around 225 million years ago.
5.
Comparing the EQ of chimps and humans gives chimps an equivalent IQ of about 35 to 40.
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.
7.
Empirical evidence shows some T. rex skin was scaly. Rational comparison with feathered relatives suggests possible feathers. The full picture remains speculative.
8.
From History: From 717 million years ago through 635.
Snowball Earth was a time when our planet may have frozen nearly from pole to pole, testing life and setting the stage for later biological change.
9.
All great apes share the same general hair-follicle pattern and follicle count—a primate pattern that likely goes back over 50 million years.
10.
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.
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