Exploring life
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Transcript of Exploring life
Ch 1 sect 3 and 4.notebook
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Oct 59:01 AM
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WHERE DOES LIFE COME FROM?
Spontaneous Generation the idea that living things come from nonliving things. This idea is false.
Redi’s Experiment
Before the 1700’s, people thought that living thing, like flies, were produced by meat (a nonliving thing). Francesco Redi did an experiment to prove this was NOT true. The maggots (baby flies) were produced by eggs that adult flies laid on the meat. In the jars that were covered, there were NO maggots on the meat.
Biogenesis says that living things come only from other living things. This is what we know is true today.
Earth is approximately 4.6 billion years old. Scientists have found fossils of organisms that are more than 3.5 billion years old.
How did life begin on Earth?
Oparin’s hypothesis explains how the first life possibly formed on Earth
Gases, mixed with electricity, formed a liquid that contained amino acids, which are a necessary chemical for life.
Animation
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Oct 59:02 AM
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Oct 711:44 AM
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seed class. lab
lima beansunflower seed
black bean, navy beanpopcorn seed, kidney bean
Group #1 has white color, Group #2 does not have white color.
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seed lab page 2
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p. 15
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NOTES
Notes Chapter 1, Section 4Classification
Early classification of Living ThingsA..
Aristotle (Greek philosopher) classifiedorganisms in many ways:• plants + animals. animals with and without hair. with and without blood.
B. classified TodaySince the 1700's, scientists haveclassified by the similar structuresof organisms
external and internal
scientists also use the evolutionaryhistory of an organism for classifying.
phylogenythe history of how aspecies has changed over time.
flower structure number of chromosomes
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NOTES
Notes Chapter 1, Section 4Classification
Early classification of Living ThingsA..
Aristotle (Greek philosopher) classifiedorganisms in many ways:• plants + animals. animals with and without ______. with and without _______.
B. Classification TodaySince the 1700's, scientists haveclassified by the similar _______of organisms
external and internal
scientists also use the evolutionaryhistory of an organism for classifying.
____________the history of how aspecies has changed over time.
flower structure number of _______________
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Notes p. 2
C. Six Kingdomslargest groups for classifying organisms
. Animal
. plant
. Fungi
. Protist• Eubacteria• Archeobacteria
D. Species a specific Kind of organism, such ashumans, that can reproduce with other members of
that species.
E. Scientific Namesall organisms have a 2 part scient.name that is similar in all languagesand that tells something importantabout that species.ex: humans are homo sapiens
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Notes p. 2
C. _____ Kingdomslargest groups for classifying organisms
. Animal
. plant
. ______
. _______• _______________• _______________
D. Species a specific Kind of organism, such ashumans, that can ________with other members of
that species.
E. Scientific Namesall organisms have a _____ part scientificname that is similar in all languagesand that tells something importantabout that species.ex: humans are ______ ______
F. ______________ Keya group of ___________to help identifythe species of an organism, andclassify the organism.
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F. Dichotomous Keya group of questions to help identifythe species of an organism, andclassify the organism.
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F. ______________ Keya group of ___________to help identifythe species of an organism, andclassify the organism.
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p. 16/brain pop
BRAIN POP!
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p. 17
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Oct 1312:27 PM
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dichot. key
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Oct 1312:33 PM
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Oct 142:29 PM
Virtual Lab onSix Kingdoms
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notes/vocab
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Oct 88:51 AM
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videos
Classification Video 20 min.
Classification Clip 5 min.
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video questions
use with 20 min. video
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vocab review one
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vocab review
organismscells
binomial nomenclature
kingdomlaw
homeostasisphylogeny
genusspontaneous generation
biogenesisscientific methodhypothesisvariable
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Scientific MethodI. Question (problem)2. Collect information
Hypothesis (prediction)4. Experiment (plan + do)
5. Results (analyze data)
6. Conclusion (answer)
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variable
constant
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Oct 191:30 PM
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textbook practice
Practice from large textbook, p. 3233.
Answer all of the questions on page 32, except #'s 2, 4, 6, 9, 10, 20.
On p. 33, answer only #'s 23 and 25
Attachments
The_Basics_of_Biology__How_Living_Things_Are_Classified.asf
Classification_of_Living_Things 5 min clip.asf
online review questions