ENTO 320 TAMU - Exam 1 Questions and Answers

ENTO 320 TAMU - Exam 1 Questions and Answers Apis Mellifera -Answer-European honey bee approx. _____ of the U.S. food supply is pollinated by bees -Answer-1/3 Scientific Method -Answer-1. Form a question 2. Make an observation 3. Form a hypothesis -- testable and falsifiable 4. test the hypothesis 5. analyze data and draw conclusions control and experimental groups- -Answer-differ in only one factor (independent variable) data analysis- -Answer--statistically significant differences -apply statistical analyses to determine if control and experimental samples are likely to be different from each other b/c of the single variable that's different b/w the 2 samples. Scientific literature follows the scientific method- -Answer--intro: steps 1-3 -materials/methods: step 4 -results: step 4 -discussion/conclusion: step 5 abstract- -Answer-(part of article) have info concerning hypothesis/question, will also summarize results, state conclusion of study What is a theory? -Answer-- a broad explanation of some aspect of the natural world that is substantiated by a large body of evidence - allows us to make predictions - can never be proven true - extremely likely to be true, due to overwhelming evidence THEORY IS NOT A HYPOTHESIS!!!!! -Answer- What is a law? -Answer-- a description of what nature does under certain conditions - general statements for which no exceptions have been found - accepted to be true and universal - Rare Theory of Evolution -Answer-- Evolution= changes in genetic makeup over time -"Descent with modification" -Mechanism behind evolution includes -natural selection -mutations -genetic drift -migration Who's idea was the Theory of Evolution? -Answer-Charles Darwin and Alfred Wallace emergent properties -Answer-- a property that develops due to increasing complexity. - an individual component of the system may not exhibit that property, but the system gains new properties with increase in individuals. - EX: human body Taxonomy- -Answer-The science of identifying, descr