Search Results | on the origin of species
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What Causes the Tectonic Plates to Move?
science.howstuffworks.com/environmental/earth/geology/plate-tectonics.htm
Discover the origins of the continental drift theory and how scientists explain these geologic phenomena.
Perennial Flowers Image Gallery
home.howstuffworks.com/perennial-flower-pictures.htm
These perennial flower pictures will dazzle you with knowledge and bright imagery. Sit back, smell the roses, and check out these perennial flower pictures.
How Do Birds Know When to Fly South and Where to Go?
animals.howstuffworks.com/birds/bird-migration.htm
During the fall months, you may see unfamiliar birds in your area as those from the north begin to fly south. But how do they know when it's time to migrate and where to go?
The Glass Frog Diverts Its Blood Flow to Activate Invisibility
animals.howstuffworks.com/amphibians/glass-frog.htm
If you've ever seen a frog with skin so see-through you can spot its organs, you’ve stumbled into the world of the glass frog. Found mostly in Central and South America, these wild little amphibians belong to the family Centrolenidae. The glass frog's transparent skin makes it a marvel of evolution, not one of your average tree frogs.
Why the Corn Snake Is the Perfect Pet For Reptile Enthusiasts
animals.howstuffworks.com/snakes/corn-snakes.htm
These modern rat snakes have an affinity for barns (and the rodents that live in them). But the myriad of colors makes them a reptile hobbyist's dream.
How Gene Pools Work
science.howstuffworks.com/life/genetic/gene-pool.htm
The physical you is a result of your DNA, and your DNA is part of the human gene pool. Find out what the "gene pool" really is and what happens when it shrinks.
Thought Experiment: What If We Stopped Walking Upright?
Humans have only been bipedal for a sliver of history. What if we returned our spines to their original position and quit walking upright? What would that world be like?
Tropical Rainforest Guide: How Rainforests Work
science.howstuffworks.com/environmental/conservation/issues/rainforest.htm
Tropical rainforests are the most diverse ecosystems on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth's ground surface, but they are home to over half of the planet's plant and animal species.
Ceratosaurus: The Horned Lizard of the Jurassic Period
animals.howstuffworks.com/dinosaurs/ceratosaurus.htm
Hey there, dinosaur enthusiasts! Let’s dive into the world of Ceratosaurus, a predator of the Jurassic period.
How Animal Migration Works
animals.howstuffworks.com/animal-facts/animal-migration.htm
Animal migration is crucial to the survival of that particular species of animal. Learn about animal migration and why animal migration is important.