Wednesday, September 5, 2012

Unit 1: Populations and Ecosystems

Unit 1: Populations and Ecosystems
Related Chapters in Biology Textbook: 3-6
Vocabulary: element, pure substance, mixture, compound, atom, molecule, cycle, ecosystem, biome, population, niche, carrying capacity, growth pattern, feedback, equilibrium, biogeochemical cycle, invasive species, food web, trophic level, model, producer, consumer, abiotic, tragedy of the commons

Unit Goals
· Define unit vocabulary and use appropriately.
· Describe what elements are essential for life.
· List biotic and abiotic factors in ecosystems.
· Describe natural biogeochemical cycles: H2O, Carbon, Nitrogen, Phosphorous.
· Describe how equilibrium is achieved and give examples of equilibrium in natural systems.
· Use concepts of feedback and carrying capacity to explain population growth patterns.
· Distinguish between observations and inferences.
· Make Data tables and graph data with trend lines.
· Describe multiple types of connections within an ecosystem:
o Food webs
o Trophic levels
o Predator-prey interactions.
· Describe and assess human impact on  populations.
· List and describe key features of major biomes.
· Describe and give examples of the impact of invasive species on an ecosystem.

Quizzes and Tests
Friday Quizzes: 9/21, 10/5 Unit Test: 10/19