HS-LS2-4
Use a mathematical representation to support claims for the cycling of matter and flow of energy among organisms in an ecosystem.
- Climate
Watching our seas rise
Satellites, coral reefs, ancient Roman fishponds and sinking cities help us understand how humans are changing sea level.
- Animals
Snake blood boosts mouse heart
Scientists find that a mouse’s heart swells in the presence of python blood.
- Animals
Tiny earthworms’ big impact
Invasive earthworms change North American landscapes, for better or worse.
- Animals
An energy lesson from panda poop
Scientists say microbes in panda feces may help convert grasses into fuel.
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