 | Goals and Objectives
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Understand the nature of an ecosystem.- Identify biotic and abiotic environmental factors.
- Explain how energy is related to ecosystems.
Recognize the types of relationships that organisms have to each other.- Explain why plants are called producers.
- Identify the trophic levels occupied by herbivores and carnivores and why they are called consumers.
- Describe the role of decomposers.
Understand energy flow through an ecosystem.- Explain why predators are more rare than herbivores.
- Describe why useful energy is lost as energy flows from one trophic level to the next.
- Describe the benefits and shortcomings of using each of the following: pyramid of numbers, pyramid of biomass, and pyramid of energy.
Recognize the abiotic and biotic features that are typical of the major biomes of the world.- List typical abiotic and biotic characteristics of different biomes.
- Explain why some plants and animals are found only in certain parts of the world.
- Describe the effect of temperature and rainfall to the kind of biome that develops.
Understand the concept of succession.- Explain the concept of a climax community.
- Describe the effect humans have had on natural climax ecosystems.
- Explain why a vacant lot becomes a tangle of plants.
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