Search Results | introduced species
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What Happens When a Keystone Species Goes Extinct?
science.howstuffworks.com/environmental/conservation/issues/keystone-species-extinct.htm
Keystone species in an ecosystem function much like a keystone in an arch. Without them the structure collapses. Learn about keystone species.
Have invasive species caused any extinctions?
science.howstuffworks.com/environmental/green-science/have-invasive-species-caused-extinctions.htm
Introducing a new species into an ecosystem can have unforeseen and disastrous consequences for the species that already live there.
5 Invasive Species That Might Conquer the World
science.howstuffworks.com/environmental/green-science/5-invasive-species-conquer-world.htm
Invasive species are found around the globe, and can be damaging to the world's ecosystems. Some invasive species seem almost unstoppable like these five.
How Many Bird Species Can You Identify?
play.howstuffworks.com/quiz/how-many-bird-species-can-you-identify
Do you think you're an expert when it comes to birds? We promise this bird quiz will keep you emu-sed since everybody's been raven about it. Don't worry if you get stuck on any of the questions. You can always tweet a friend for help!
Several New Species of Tarantula Found High in the Andes
animals.howstuffworks.com/arachnids/new-species-tarantula-found-high-in-andes.htm
Several new species of tarantula have been discovered at high elevations in the Andes. HowStuffWorks looks at them and why they're migrating so high.
There Are Over 15,000 Species of Freshwater Fish — We’ll Be Impressed If You Can Name 40!
If ocean fish are a little too salty for you, there's always freshwater fish! In aquariums, for sport fishing or just minding their business in a river, there are tons of them out there. Can you name the 40 in our quiz?
We Challenge You to ID All of These Species If You Think You're a Snake Expert!
Snake eyes are bad when you're rolling the dice, but pretty cool when you're just dealing with real snakes. If you're feeling like betting on your snake expertise, take this quiz and show us what you've got!
Cane Toad Facts, Pictures
animals.howstuffworks.com/amphibians/cane-toad.htm
The cane toad is native to Central and South America, and an invasive species in Australia. It was introduced to Australia in 1935 to protect crops against cane beetles.
Poisonous Death Cap Mushroom Spreads Over North America
science.howstuffworks.com/life/biology-fields/poisonous-death-cap-mushroom.htm
Amanita phalloides is non-native to the North American continent, introduced to California from Europe, and rapidly spreading.
Animal Classification: A Taxonomy for All Living Things
animals.howstuffworks.com/animal-facts/animal-classification.htm
The taxonomy that Carl Linnaeus introduced in "Systema Naturae" set the stage for a uniform animal classification system.