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  • Seed Dispersal in Tropical Forests

    Seed Dispersal in Tropical Forests

    Activity

    In this activity, students use data from published studies to understand patterns of seed dispersal and apply these ideas to the design of a conservation area.

  • Seed Dispersal and Habitat Fragmentation

    Seed Dispersal and Habitat Fragmentation

    Scientists at Work

    (8 min 3 sec) Watch researchers follow brown spider monkeys in a tropical forest of Colombia to determine which plant seeds they are dispersing. Seed dispersers are critical to the forest’s ability to grow and regenerate. 

  • Super Stoma

    Super Stoma

    Image of the Week

    The stomata of grasses (singular stoma) function more efficiently than those of other plants.

  • Under the Hemiparasite

    Under the Hemiparasite

    Image of the Week

    Many of the 1400 or so species of mistletoes are hemiparasites—they obtain at least part of their nutrition from the host tree.

  • Relish the Cranberry

    Relish the Cranberry

    Image of the Week

    Most of the cranberries used for Thanksgiving dinner are “wet harvested” by flooding cranberry marshes.

  • Twinkle, Twinkle Little Desmid

    Twinkle, Twinkle Little Desmid

    Image of the Week

    These tiny star-shaped organisms are single-celled, freshwater green algae called desmids.

  • Lesson 6 - Biomes and Landscapes

    Lesson 6 - Biomes and Landscapes

    Activity

    In this lesson, students will use an interactive map of Gorongosa National Park to learn about biomes. They will then explore E.O. Wilson’s Life on Earth iBook to learn about the varied landscapes and vegetation types in Gorongosa.

  • Patterns in Nature

    Patterns in Nature

    Lecture

    (35 min 51 sec) Regular spatial patterns abound in natural systems. Understanding how patterns arise in ecosystems provides insights into how these ecosystems function.

  • Modeling Ecosystem Effects of Termite Mound Patterns

    Modeling Ecosystem Effects of Termite Mound Patterns

    Data Point

    Dr. Corina Tarnita and colleagues studied how a pattern of termite mounds across a dryland ecosystem enhances resilience against desertification.

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