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PBIO 1030 Exam 4 Study Guide

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PBIO 1030 Exam 4 Study Guide Ethnobotany - ✔✔the study of relationships that exist between people & plants indigenous peoples - ✔✔ethnic groups that are descended from the original inhabitan ... ts of a region: the first people ecosystem - ✔✔a community of living organisms & non living such as air, water and soil what do ecosystem services do - ✔✔regulates and controls the climate and disease biodiversity - ✔✔the variety of life in the world or in a habitat Four categories of ecosystem services and describe features of each - ✔✔Provisioning: the production of food and water Regulating: the control of climate and disease Supporting: the nutrient cycles and crop pollination Cultural: spiritual and recreational beliefs describe types of evidence that inform us about historical use of plants and plant products - ✔✔ explain the impact of photosynthesis on climate - ✔✔oxygen for respiration, glucose for food, recycling water describe the purpose of chlorophyll in photosynthesis and how it may support human health - ✔✔Photosynthesis: to absorb light and transfer it through the plant Human: helps in blood , wound healing and detoxification of body define biofuel - ✔✔a fuel that is derived from a living or recently living organism advantages of biofuels - ✔✔They are renewable, reduce greenhouse gases and lower levels of pollution disadvantages of biofuels - ✔✔Use of fertilizers, shortage of food, future rise in price Describe modifications of leaves and name a useful leaf from leaf modification - ✔✔ Describe modificiations of stems, name an example of useful product of tubers and rhizomes - ✔✔In ginger and banana the underground stem is a rhizome. Lemons and oranges have protective thorns as stems Gymnosperm - ✔✔a plant that has naked seeds unprotected by an ovary or fruit Angiosperm - ✔✔A plant that has flowers and produces seeds inside the ovaries Difference between pollination and fertilization [Show More]

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