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Evolution by Natural Selection: Examples and Effects of Adaptation

science.howstuffworks.com/life/evolution/natural-selection.htm

Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?

Are chimpanzees evolving in the wild?

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Chimpanzees may be evolving in the wild, according to recent research in Asia. Learn about chimpanzees and find out if chimpanzees are evolving.

If a giraffe's neck only has seven vertebrae, how is it so flexible?

animals.howstuffworks.com/mammals/giraffe-neck.htm

A good portion of a giraffe's height comes from its statuesque neck. But how do these lanky creatures get their necks in such pretzel-like positions?

Legless Lizard vs. Snake: Are They Actually Different Animals?

animals.howstuffworks.com/snakes/legless-lizard-vs-snake.htm

The legless lizard is an entirely different creature from its slithery look-alike, the snake. Learn about the legless lizard evolution and more.

Mirror Testing: Which Animals Demonstrate Visual Self-Recognition?

science.howstuffworks.com/life/inside-the-mind/human-brain/animals-demonstrate-consciousness.htm

Are you wondering if animals demonstrate consciousness? Check out this article and learn if animals demonstrate consciousness and more.

The Tarsier Is One Weird Primate, and Yes, We're Related

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Never heard of the tarsier? Well it's one of the smallest primates in the world but has some of the biggest bug eyes you've ever seen.

The Largest Carnivorous Dinosaur May Not Have Been T. Rex

animals.howstuffworks.com/dinosaurs/largest-carnivorous-dinosaur.htm

They lived about 30 million years apart and never set foot on the same continent. Yet Giganotosaurus carolinii is always getting compared to the world's most popular dinosaur, the beloved and well-known Tyrannosaurus rex, both vying for the position of the largest carnivorous dinosaur in history.

What's the Difference Between a Newt and Salamander?

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These two amphibians look similar and are often confused for each other. So how many traits do they share?

Is there an anti-aging gene?

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Is there an anti-aging gene? Take a look at research behind anti-aging genetics and see if there is an anti-aging gene that keep some people younger.

Is the Bondo Ape a Cryptid or a Specially Adapted Chimpanzee?

science.howstuffworks.com/science-vs-myth/strange-creatures/bondo-ape.htm

Nestled deep within the wilderness of the Congo Basin, the Bondo ape stands at the crossroads of legend and scientific reality. Once seen only in fleeting glimpses, this creature has become the focal point of intense curiosity and rigorous investigation.

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