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ENTO 320 TAMU - Exam 1 Questions and Answers Fully Solved
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ENTO 320 TAMU - Exam 1
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ENTO 320 TAMU - Exam 1Apis Mellifera – answer European honey bee
approx. _____ of the U.S. food supply is pollinated by bees - answer1/3
Scientific Method - answer1. 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? - answerCharles 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- - answerThe science of identifying, describing, naming, and classifying
organisms.
Triangle picture: - answerspecies
genus
family
order
class
phylum
kingdom
domain
Why use taxonomic nomenclature? - answer-grouping organisms makes them easier to
find and reference
-many species have multiple common names
-often a group of organisms are referred to by 1 common name. EX: lightening bugs
(fireflies), pufferfish, etc.
-knowing the biodiversity of local and/or world regions helps establish conversation
areas
-species-level identification is used in detecting exotic and potentially invasive pests.
bionomial nomenclature - answer-a formal 2 part system of naming organisms
-coined by Carolus Linnaeus in 1751
-this system adheres to latin grammar, uses italics
-an organism is named using 2 words:
-genus species
-Homo sapiens (you)
ANY OF THESE GROUPS CAN BE REFERRED TO AS TAXON!!!
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