Biodiversity hotspots are regions of the Earth with a high concentration of species. Plants are often important components of biological communities because they are at the base of the food web and provide living structures for other organisms. Species richness, or the number of species in an area, is one measure of biodiversity. In this science project, you are going to test the hypothesis that c
Ecologists divide freshwater ecosystems into bodies of running water and bodies of standing water. In the latter the current slows and most suspended particles settle to the bottom. Lakes and ponds are bodies of standing water that will serve as the sources for water samples to investigate freshwater ecosystems.
In this experiment students will construct and monitor a model ecosystem. With it they will design an experiment to better understand the impact of man-made changes on biological processes in air and water.
1. observe that soil erosion occurs when the water washes the soil away from the trays.
2. record their data.
3. construct a general scientific understanding that plants hold soil in place via roots and help prevent soil erosion by water.
4. conclude that soil erosion by water increases with the destruction of the rain forests.
Students will describe how shoe design, manufacturing, retailing, consumer use, and disposal impact environments and societies. Students will discuss ways to reduce, reuse, or recycle resources in the life-cycle for a shoe product.
The objective of this experiment is to analyze individual solid waste management habits, to understand what is biodegradable and what is non-biodegradable, an also to understand why composting is a landfill alternative.
List familiar organisms found in several different communities. Distinguish between producer and consumer organisms in your list. Examine and identify as many organisms as possible from a soil community.
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