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40 Cards in this Set
- Front
- Back
Is the following sentence true or false? Scientists think that the first life forms on Earth probably did arise from nonliving materials.
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True
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What materials did Miller and Urey use to recreate the conditions of early Earth in their lab?
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Water to represent the oceans
Gasses to represent the atmosphere Electricity to represent the lightning |
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What were the results of Urey and Miller's experiment?
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The first living thing did come from nonliving things.
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Name two ways to learn the identity of an organism.
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1. Taxonomic Key
2. Field Guide |
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Is the following sentence true or false? A taxonomic key is a book with illustrations that highlight the differences between organisms that look similar.
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False, a field guide is a book with illustrations that highlight the differences between organisms that look similar.
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List the eight levels of classification used by modern biologists in order from the broadest level to the most specific level.
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Domain
Kingdom Phylum Class Order Family Genus Species |
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Is the following sentence true or false? The more classification levels that two organisms share, the more characteristics they have in common.
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True
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The process of grouping things based on their similarities is
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Classification
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The scientific study of how living things are classified is called
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Taxonomy
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Is the following sentence true or false? Once and organism is classified, a scientist knows alot about that organism.
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True
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Is the following sentence true or false? Linnaeus placed organisms into groups based on their features that he could observe.
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True
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In Linnaeus's naming system, called ________________ each organism is given a two part name.
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Binomial Nomenclature
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Is the following sentence true or flase? A species is a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
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True
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Felis concolor is the scientific name for mountain lions. To which genus do mountain loins belong?
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Felis
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Felis concolor is the scientific name for mountain lions. To which species do mountain loins belong?
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concolor
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Unicellular
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One cell
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Multi cellular
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more than one cell
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The 7 Life Processes
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1.getting energy 2. reproducing 3. using energy 4. getting rid of waste 5. growth and development 6. movement 7. response to stimulus
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What did Redi and Pasteur want to prove doing their experiment?
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They wanted to prove that living things don’t come from nonliving things (spontaneous generation was false)
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What was Redi and Pasteur’s outcome?
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Living things don’t come from non living things
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What did Redi and Pasteur want to prove doing their experiment?
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They wanted to prove that living things don’t come from nonliving things (spontaneous generation was false)
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What did Redi do for his experiment?
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He had two jars one with meat that is uncovered and one with meat that is covered and wanted to see if flies formed on both.
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What did Pasteur do for his experiment?
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He took two flasks one with boiled broth and the other with not boiled broth. to see if bacteria grew on both
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What do living things need to live?
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water, food, shelter, and a stable environment
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Classification
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The process of grouping organisms by their similarities
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Taxonomy
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the study of classifying organisms
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Binomial nomenclature
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The naming system where organisms have two names (genus and species)
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What sentence can help you remember the order of the levels of classification?
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Did King Philip Come Over From Greek Shores?
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Taxonomic Key
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a series of paired statements that describe the physical characteristics of an organism
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Field Guide
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a book of pictures that help scientists identify an organism
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What are the 3 domains of life?
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Bacteria
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Domain containing single celled organisms with no nucleus
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Bacteria and Archaea
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Prokaryote
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Single celled with no nucleus
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The only difference between Bacteria and Archaea are
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the chemicals that make them up.
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Eukarya
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Can be unicellular or multi cellular MUST have a nucleus
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Ekaryote
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organism who’s cells have a nucleus
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The early atmosphere consisted of
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nitrogen
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Today our atmosphere is made of mostly
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oxygen and nitrogen.
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Why did Urey and Miller do their experiment?
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To prove that the first living things did come from nonliving things
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What did Urey and Miller prove?
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That after a week the mixture darkened because of the precence of chemical units that make up cells. They predicted the over millions of years these chemicals became the first cell.
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