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 inhabitants of a
region: the first p
...
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 inhabitants 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
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