Biomes and Biodiversity Power Point Notes
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1 Name period date assigned date due date returned Biomes and Biodiversity Power Point Notes 1. One teacher is to as all teachers is to. 2. Teachers and students are to as George West is to. Vocabulary Word Definition 3. habitat 4. species 5. population 6. ecosystem 7. biome 1
2 8. biotic 9. abiotic 10 biodiversity 11. 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 12. Protecting biodiversity is important to keep the planet. The more an ecosystem is, the and more it is. 13. 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. 14. Circle the soil sample below that should be the most fertile. 3
4 15. 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. 16. Not protecting biodiversity: a. The biggest threat to biodiversity is of. b. If we don t protect biodiversity species can become or. 17. An endangered species is one whose numbers are so, they are in danger of becoming. 18. is the disappearance of all members of a species from Earth. Causes of Extinction natural catastrophes human activities 4
5 19. 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 20. 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 21. Sustainability the capacity to. How biological systems remain and over time. Sustainability examples: 22. 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? 23. How are the farmer s fields similar to how biodiversity allows an ecosystem to be stable? 6
7 24 Scientists classify climates and biomes based on - A latitude and longitude B latitude and elevation C temperature and rainfall 26 Where would you most likely find the greatest variety and numbers of animal life? A on a newly mowed lawn B close to a pond with rocks, water and several types of plants D temperature and altitude C in the center of a pond D next to a paved surface 25 Complete this statement. The more diverse an ecosystem is - A the more threatened its populations are B the more similar the species will be C the more stable it is 27 Deforestation, pollution, and over hunting can result in - F increase in biodiversity G decrease in biodiversity H no effect on biodiversity J a state of equilibrium D the fewer varieties of species are present 7
8 Use the graphic below to answer the next two questions. Two farmers decide to have a competition to see who could raise the most food for the animals on their farms. The first farmer only panted two high producing crops. The second farmer planted 16 different crops. 28 If a virus killed all of the crop 2 plants, what would happen to the food produced by each farmer? F no changes would occur G Farmer 1 would lose half of his crops, farmer 2 would lose 1/16 th of his crops. H Both farmers would lose half of their crops. J Farmer 2 would lose more crops than Farmer How are the farmer s fields modeling diversity in an ecosystem? A Both fields have the same biodiversity so are effected the same by the virus. B Field 1 has more biodiversity than Field 2 so the virus effects field 2 more. C Field 1 has less diversity than Field 2 so the virus effects Field 1 more. D Filed 2 has less biodiversity so the virus effects it more. 8
9 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: How does the North American Prairie support different organisms? How does biodiversity contribute to the sustainability of an ecosystem? 9
Biodiversity and Biomes Power Point Notes
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
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