junior science: ecology 2 - what defines a desert—long stretches of forbidding, barren, scorching sand and rock? explore some of the diverse ecosystems that make up our planet: deserts, swamps, seashores, and man-made communities. learn why an ecosystem's plants and animals are dependent upon one another for their existence, how their varied adaptations enhance their chances for survival, how food energy flows from organism to organism, and how human actions affect natural environments. this cd-rom features:
- 45 minute multimedia presentation
- 500 color images & photographs
- 100+ interactive questions with explanations, & automatic quizzes
- excerpts from musical compositions
- customized electronic glossary
system requirements for windows - windows® 95/98/2000/nt/me/xp
- 486dx/66 mhz or faster cpu
- 16 mb ram
- cd-rom drive
- 640x480 svga
- 256 colors
- mouse and sound card
system requirements for macintosh - mac os system 7.5-9.2
- 33 mhz 68040 or faster cpu
- cd-rom drive
- 640x480 svga
- 256 colors
- mouse
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Estimated ship time: Arrives in 4 - 7 business days |
Quantity in stock:
In Stock
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Ship method: USPS |
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Will ship to: United States |
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