HS-LS2-2
Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.
- Environment
Alien invasions
Around the world, plants, animals, fungi, and other life forms are ending up in places where they don't belong.
- Environment
A vulture’s hidden enemy
Vultures may be getting a deadly dose of medicine from the carcasses they feed upon.
- Animals
A hangout for elusive blue whales
Scientists have now found a place off southern Chile where blue whales gather.
- Animals
Baboons listen for who’s tops
Baboons can tell who's in charge by the sound of voices alone.
- Animals
City birds hit the high notes
Some songbirds battle traffic noise by singing at a higher pitch.
- Animals
Ant invasions change the rules
Ant invaders may wreck the rules by which entire communities of their peers work.
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