Evolution part 2
Mini evolution test on the orginaztion of species. Hrns. Biology- Mrs.Barton
Terms
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- Polymers
- _____________ form: proteins, polysaccharides, lipids, DNA/RNA.
- to assign a universal scientific name to each known species, and to organize diversity of life by classifying species into larger groups of related species.
- Goals of taxonomy
- Plantae
- multicelled, can make own food, cell wall made of cellulose.
- Permiam Extinction
- 9. Mass extinction
- Stanley Miller
- Designed an experiment (1943) that simulated conditions on Earth. Gases in a flask, electric sparks produced a variety of organic molecules such as amino acids.
- genus
- The "first" name is the ________ the organism belongs to.
- Bacteria(p), Archaea(p), Eukarya(e)
- The three domains.
- Small monomers
- ___________ form: anmino acids, monosaccharides, nucleotides, fatty acids.
- Cone bearing plants, dinosaurs
- 10. _________________, ______________ appear
- prokaryotes
- 2.Oldest fossils of cell_____________. (approx. 3.5 billion years ago)
- 3.9 billion
- But more simpler life is believed to have existed ______ years ago.
- Photosynthetic Prokaryotes
- These fossils resemble______________________ living today in salt marshes.
- Homologous structures
- Scientists construct these "trees" from ___________________ _____________, DNA analysis, protein analysis
- Two-part latin name and a hierarchy, ordering of species into broader groups
- The two characteristics of Linnaeus's system of classification
- 3.5 billion
- Fossil evidence indicates that life existed about _____ years ago.
- Polymers became package within membranes (pre-cells)
- What final thing happen when life began?
- Polymers copy self
- After Polymers form, ____________ (RNA)
- Species
- The "second" name is the ________ the organism is.
- Fish, Tetrapods, Insects
- 7.____ appear, first _________, _______ appear.
- 4.6 billion
- The earth is _____ years old.
- Carolus Linnaeus
- ________________(1707-1778) created a system of classification.
- Stromatolites
- rock composed of thin layers of sediment pressed tightly together(layers of an onion).
- Dichotomous Key (based on physical features)
- used to identify an unknown organism.
- "Cambrian Explosion"
- 5.increase in animal diversity
- Cretaceaus Extinction
- 11.Flowering plants appear, mass extinction of animals
- Phylogenetic Tree
- diagram that reflects evolutionary relationships (branching pattern)
- Taxonomy
- identification, naming, and classifaction of species
- Fungi
- multicelled, cannot make own food, cell wall mad of chitin.
- Mammals, birds, and pollinating insects
- 12. ____________, _____, and _____________________ appear
- Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
- The order of the grouping (names).
- Tetrapods
- four legged animals
- Capitilized
- The "first" name is ____________ and the "last" name is not.
- Protista
- single celled
- Protista, Fungi, Plantae, Animalia
- The four kingdoms within the domain Eukarya.
- Stromatolites
- These fossils are found in dome-shaped rocks called _________.
- maybe the first genes were short strands of RNA
- In lab, short RNA molecules copy themselves without solutions containing nucleotides without enzymes or cells present ______________________________.
- simple molecules
- _____________ present: Carbon monoxide, water vapor, nitrogen, carbon dioxide.
- Animalia
- multicelled, cannot make own food, does not have a cell wall.
- Plants move to land
- 6.________________________ and land invertebrates appear.
- invertebrates
- 4.Algae and Marine _____________.
- Seed plants, reptiles, amphibians
- 8.___________, __________, and ____________________ dominate
- Eukaryotic
- 3.Oldest fossils of ____________. (approx. 1.7 billion yars ago)
- DNA, RNA, and ATP
- Scientists have tried other gas scenarios and energy sources and have been able to produce all 20 amino acids, sugars, lipids, and nitrogenous bases in ____________.