MS-LS2-1
Analyze and interpret data to provide evidence for the effects of resource availability on organisms and populations of organisms in an ecosystem.
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EarthScientists Say: Savanna
Savannas exist where there is more rainfall than in a desert, but less than in a forest.
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ClimateSecret forest fungi partner with plants — and help the climate
Forest fungi are far more than mere mushrooms. They explore. They move nutrients and messages between plants. They can even help fight climate change.
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AnimalsBaleen whales eat — and poop — a lot more than we thought
The amount of food that some whales eat and then poop out suggests these animals have a powerful influence over ocean ecosystems.
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AnimalsLet’s learn about elephants
Check out five wild facts you may not know about a familiar animal: the elephant.
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EcosystemsCheatgrass thrives on the well-lit urban night scene
Middle-grade campers team up with ecologists at Denver University to show that streetlights boost the growth of a reviled invasive species.
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AnimalsSpiders can take down and feast on surprisingly big snakes
Snared in sticky webs and subdued by poison, even venomous snakes can become a spider’s soup.
By Asher Jones -
AnimalsSudden shark die-off 19 million years ago eliminated most species
New fossil evidence shows 90 percent of sharks died in the mysterious event.
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ClimateUrchin takeover underlies California’s vanishing kelp forests
Some 95 percent of kelp forests along its northern coast are gone. Meanwhile, sea otters are helping slow the loss of surviving kelp farther south.
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MicrobesSeveral plant-like algae can morph into animal-like predators
Single-celled green algae swim through water as free cells. Most use only photosynthesis for their energy. But not all of them, a new study shows.
By Laura Allen -
AnimalsChanging people’s behavior can make bear life better
Black bears don’t always live life on the wild side. More and more, they live near people. Here’s how people and bears can get along.
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Health & MedicineSome microbial hitchhikers may weaken body’s attack on COVID-19
New research identifies an altered mix of microbes in the body — ones commonly seen in people with poor diets — that may worsen coronavirus disease.