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Showed that all living things do come from other living things

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This chapter is the most important that we learned this year. This chapter puts the building blocks for everything that we learned in biology in motion. I believe that if you only have one day to learn about biology in the world around us then this chapter would be a great place to start. The stuff we learned of this chapter we use every single day in our modern society; hypotheses, theories, and are scientific laws.

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1. What is the difference between a scientific theory and a hypothesis? A theory is supported by evidence and a hypothesis is an assumption. Am

2. List the 8 characteristics of all living things. Made up of units called cells, Reproduce, Based on a universal genetic code, Grow and develop, Obtain and use materials and energy (metabolism), Respond to their environment (stimulus), Maintain a stable internal environment (homeostasis), Change over time

3. List the 5 characteristics/traits of science. (You can find this answer in the private comment you left on your Tricky Tracks Google Doc) K    C  creative , T   tentative, O   open ended, E     empirical, S      subjective

4. List the 8 levels of biological organization, from smallest to largest.-molecules, cells, groups of cells, organism, population, community, ecosystem, biosphere.

5. Describe what topics scientists study in the following branches of biology:

1. Evolution - Fossils, genetic and physical similarities among species, and relative and radiometric dating.

2. Genetics - The science of genes/DNA, heredity, and variation of organisms.

3. Ecology - The distribution and abundance of living organisms and how the distribution and abundance are affected by interactions between the organisms and their environment.

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Fact vs. Theory vs. Hypothesis vs. Law… EXPLAINED!

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Fact vs. Theory vs. Hypothesis vs. Law… EXPLAINED!

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1. Theory a well-tested explanation that unifies a broad range of observations, Not considered absolute truth, May be revised or replaced as new evidence is uncovered

2. Hypothesis - A proposed scientific explanation  for a set of observations

3. A controlled experiment is a scientific test that is directly manipulated by a scientist, in order to test a single variable at a time

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1. nce-The goal is to study and understand the natural world

2. Observation -The process of gathering information about events or processes in a careful, orderly manner.

3. Data K The information gathered during an experiment is referred to as DATA

4. Quantitative data-expressed as number, obtained by counting or measuring

5. Qualitative data - Descriptive, involves characteristics that can’t be easily measured.

6. Bias - prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.

7. Dependent variable-the variable that is observed and changes in response to the manipulated variable.

8. Control group/variable - The variable that does not get changed during the entire experiment.