Animals
Watch an orca smash into a sunfish hard enough to make it explode
This tactic expands killer whales’ already broad range of behaviors for taking down prey.
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.
More Stories in MS-LS2-1
- Microbes
This microbe turns into a ‘Hulk’ that eats its own kind
The shape-shifting transformation of Euplotes gigatrox may reveal how early life learned to act in complex ways.
- Animals
Mosquitoes may learn to like DEET, a common insect repellent
In lab tests, mosquitoes exposed to DEET while feeding learned to associate the chemical with food.
- Animals
Meet Bruce, the disabled kea parrot who is the boss of his flock
With half a beak, Bruce has developed a unique fighting style that has won him top status in his flock, videos and documented interactions reveal.
- Oceans
Explainer: What are corals?
Though they can look like rocks or plants, corals are animals. Most are made up of colonies of individuals called polyps.
- Plants
Scientists Say: Superbloom
These massive wildflower blooms create colorful carpets over desert landscapes during unusually rainy years.
- Animals
Emperor penguins are on the march — toward extinction
Along with Antarctic fur seals, these iconic birds, the largest of all penguins, are now endangered by their continent’s warming.
- Ecosystems
Let’s learn about wetlands
Just how wet these lands are varies a lot — from seasonally soaked to permanently flooded.
- Life
After the dino-killer asteroid, life bounced back quickly
New ocean dwellers arrived millennia — maybe decades — after the Chicxulub impact. That forces a rethink of evolution's response to wipeout events.
- Animals
Polar bears leave thousands of tons of food scraps for other species
The new finding quantifies how much of polar bears' food goes uneaten. As these bears decline, Arctic scavengers risk losing a critical food source.
