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.

  1. Ecosystems

    Cities drive animals and plants to evolve

    Biologists are finding that some species have used genetic changes to evolve — adapt — to the pollution and other stressors that they encounter in cities.

    By
  2. Science & Society

    Shrimp on treadmills? Some science only sounds silly

    Research that may seem silly, at first glance, often has a rewarding aim. Here are some examples.

    By
  3. Agriculture

    Teen develops water-saving pods for seeds

    In California’s drought, every drop of water counts. A teen developed a capsule to keep sprouting seeds wet and reduce water use.

    By
  4. Earth

    Water sensor quickly detects algal poison

    A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.

    By
  5. Animals

    Earthworms: Can these gardeners’ friends actually become foes?

    Asian jumping worms can strip leaf litter from floor of U.S. forests, new data show. Many native plants need that leaf litter for their seeds to germinate.

    By
  6. Animals

    Meet scientists who take on the study of life

    What does a scientist look like? Meet these amazing women in biology.

    By
  7. Earth

    Seafloor hosts surprising number of deep-sea vents

    A new sensor detects changes in seawater chemistry and finds far more ecosystem-supporting seafloor vents than scientists had believed were out there.

    By
  8. Earth

    Fighting big farm pollution with a tiny plant

    Fertilizer runoff can fuel the growth of toxic algae nearby lakes. A teen decided to harness a tiny plant to sop up that fertilizer.

    By
  9. Archaeology

    Neandertals: Ancient Stone Age builders had tech skills

    Neandertals built stalagmite circles in a French cave 176,500 years ago. These structures show that these ancient human cousins had social and technical skills.

    By
  10. Animals

    Uh oh! Baby fish prefer plastic to real food

    Given a choice, baby fish will eat plastic microbeads instead of real food. That plastic stunts their growth and makes them easier prey for predators.

    By
  11. Animals

    The shocking electric eel!

    Electric eels are fascinating animals. Their powerful zaps can act like a radar system, trick fish into revealing their location and then freeze their prey’s movements.

    By
  12. Animals

    Wildlife forensics turns to eDNA

    Environmental DNA, or eDNA, tells biologists what species have been around — even when they’re out of sight or have temporarily moved on.

    By