Animals
Scientists Say: Primate
Primates are mammals that tend to have big brains, forward-facing vision, fingernails and flexible hands and feet.
MS-LS4-2
Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships.
More Stories in MS-LS4-2
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AnimalsScientists discover the first true millipede
The newfound deep-living species tunnels belowground using a whopping 1,306 legs!
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AnimalsLet’s learn about chimpanzees and bonobos
Humankind’s closest cousins in the animal kingdom may look similar, but in terms of behavior, they’re polar opposites.
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Fossils‘Penis worms’ could have been the original hermits
These soft-bodied critters lived in abandoned shells about 500 million years ago, a new study suggests.
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FossilsFossils point to earliest dinosaurs that lived in herds
A fossilized family gathering of long-necked Mussaurus from 193 million years ago is the earliest evidence yet of herd behavior in dinos.
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HumansGenetics show humans likely trace back to Africa
Our history began looking ever more complex once geneticists revealed our ancestors picked up new DNA as they traveled across time and continents.
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HumansThe ultimate genealogical search hunts for our earliest ancestors
The complex search to identify humans’ most distant cousins is long, complex and far from straightforward. It’s also far from over.
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AnimalsWhat biologists call a species is becoming more than just a name
The tree of life — evolution — has been reshaping how scientists name and classify organisms. Some want naming to reflect evolutionary groups even more.
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AnimalsWill the woolly mammoth return?
Scientists are using genetic engineering and cloning to try to bring back extinct species or save endangered ones. Here’s how and why.
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FossilsBaby pterosaurs may have been able to fly right after hatching
A bone crucial for lift-off was stronger in hatchling pterosaurs than in adults. The baby reptiles also had shorter, broader wings than grown-ups.