Biodiversity and Biomes Power Point Notes

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1 Name Date Period 1. One teacher is to as all teachers is to. 2. Teachers and students are to as George West is to. 3. Vocabulary: fill in the correct definition habitat species population ecosystem biome biotic 1

2 abiotic biodiversity 4. Factors that affect biodiversity: a. area a area will have more biodiversity than a area. b. climate In general, the number of species from the poles to the. c. niche diversity The niches an area has, the more biodiversity. d. human activity People can either or an ecosystem. Protecting an area can biodiversity. Deforestation, pollution, and over hunting can biodiversity. 2

3 5. Protecting biodiversity is important to keep the planet. The more an ecosystem is, the and more it is. 6. A keystone species is a species that influences the of many other species in an ecosystem. a. If the keystone species, the entire ecosystem may. b. example: earthworms are important for. The more earthworms, the the soil, the better the grass. Circle the soil sample below that should be the most fertile. 3

4 7. Gene Pool Diversity the number of diverse traits in a species a. The traits in a species, the better chance they have of. b. species that lack a gene pool are able to adapt to changes in their environment. 8. Not protecting biodiversity: a. The biggest threat to biodiversity is of. b. If we don t protect biodiversity species can become or. 9. An endangered species is one whose numbers are so, they are in danger of becoming. 10. is the disappearance of all members of a species from Earth. Causes of Extinction natural catastrophes human activities 4

5 11. Protecting Biodiversity a. captive breeding the mating of animals in zoos or wildlife parks to populations. b. laws and treaties laws can protect an entire. The Species Act Convention on International in Endangered Species c. habitat preservation The effective way to preserve biodiversity is to protect entire. NO DIVERSITY DIVERSITY 12. Biodiversity Demonstration a. How many different species do we have in Trail 1? If a disease went through this population, and killed all of the yellow squares, how does that affect the population? b. How many different species do we have in Trial 2? If a drought went through this population, and killed all of the red squares, how does that affect the population? c. What was different with the second demonstration? d. How did biodiversity help this population? e. Would the death of part of a population effect the food chain 5

6 13. Sustainability the capacity to. How biological systems remain and over time. 14. Sustainability examples: Two farmers try to out-produce each other by using different planting techniques. Field 1 grew more until a virus killed all of crop 2. How would this virus effect the two farmers? How are the farmer s fields similar to how biodiversity allows an ecosystem to be stable? 6

7 Sources (list books or websites used}: NORTH AMERICAN PRAIRIE (example) Geography and Climate Biodiversity Adaptations Describe how it helps the organism to survive Location: Plant Species (list at least 10): Plant Adaptations: Biotic: Interactions List interactions between biotic and abiotic components of the biome. Description: Soil Type: Precipitation per year: Animal Species (list at least 10): Animal Adaptations: Abiotic: Temperature Range: Climate: 7

8 How does the North American Prairie support different organisms. How does biodiversity contribute to the sustainability of an ecosystem? 8

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