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Environment

Notes

QuestionAnswer
Natural World Scientists use things in natural world; not theological/ religious things
Observation To gather physical evidence; see, hear, smell, feel, taste, etc; technology
Objective Not letting your beliefs or opinions get in the way; have to keep observation
Experimentation A controlled observation; you make it happen
Repeated Very important to repeat to prove or observe other variables that you cannot see
Gathering and Organizing To let other people use it and pass along; work is used as a foundation
Self Correcting Scientists always have to be able to accept new info/change views around us
Five Ingredients of the Market Revolution New technologies; energy; capital investment; regulation; productivity vs. wage
Four ways in which humans degrade the environment Pollution; habitat destruction; invasive species; over accumulation
History of Environmental Policy Exploration (do everything you can to get it); conservation; pollution prevention
Ecosystem Services Direct-shelter, medicine, food; indirect-delivered to us (mangroves, only worried about $); Aesthetic-most important, value, what we leave for the future, will probably decrease
Pseudoscience Use of psychobabble-words that sound scientific in misleading manner; substantial reliance difficult to verify; extraordinary claims in absence of evidence; unfeasible claims; absence of connectivity to research; no peer review; lack self correction
What is evolution? Any change in the heritable traits within populations across generations; random evolution; natural selection
What is the evidence for evolution? Comparative anatomy; embryology & development; fossil records; DNA comparisons
How evolution works Heredity passed from different characteristics of same species; mutations-random changes in DNA; random-all processes are based on chance; selection-those who survive
What is DNA? Deoxyribo Nucleic Acid; Acts of blueprint for living things; tells amino acids how to form perfect shape and structure; lives in nucleus; a molecular blueprint for a living thing, 20 amino acids
What is a gene? Sequence, 46 strands in DNA; 3 base pairs=4 proteins; they make proteins; length and sequence determine size of protein; special stretch of DNA that codes for something
What is natural selection? Process by which randomly descent is produced in modification and change; make adaptations to environment
What is biodiversity? The variety of life in the world or a particular habitat ecosystem
Biodiversity is a function of: Climate; precipitation, temperature
Biodiversity is impacted by: Habitat destruction; climate change; humans; over harvesting; invasive species; global trade; pesticides; pollution; medicine; you don't want to disturb the food chain
Created by: jae_moore