Science Buddies
Science Buddies: It's Crowded in Here! A Study of Plant Population Density
Like humans, plants can be negatively affected by overcrowding. Unlike humans, plants cannot get up and move to a new environment or explore how to utilize new resources. This experiment will explore the effects of crowding (population...
TeachEngineering
Teach Engineering: Population Density: How Much Space Do You Have?
Students learn about population density within environments and ecosystems. They determine the density of a population and think about why population density and distribution information is useful to engineers for city planning and...
Concord Consortium
Concord Consortium: African Lions: Modeling Populations
Learn to distinguish between exponential and logistic growth of populations, identify carrying capacity, differentiate density-dependent and density-independent limiting factors, apply population models to data sets and determine...
Science Struck
Science Struck: Limiting Factors in the Desert Ecosystem
Describes conditions in a desert that limit how large populations of species can grow.
Better Lesson
Better Lesson: Mars Habitat
For this lesson, students are asked to examine a model for a space station on Mars that will house six researchers studying the possibility of establishing a colony. Given the dimensions of the station and the minimum amount of space...
Travel Document Systems
Tds: Malawi: Geography
See how the Great Rift Valley and Lake Malawi dominate Malawi's geography. Read about the climate, terrain, and population density. Information is from the U.S. State Dept. Background Notes.
Other
Virginia Places: What Determines the Boundaries of a Region in Virginia?
Although this site talks about regions in Virginia, it offers excellent information on regions in general, for example, ways regions might be classified; e.g., by population density, geology, watershed, ecosystem, economy,...
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