Origin of Life
What were the conditions of early earth's atmosphere like?
Hot, anerobic, volcanic eruptions
What is the scientific term to describe change over time?
Evolution
What classification system is the broadest?
Domain
What two categories in the classification system make up a scientific name.
Genus and species
What type of organisms first evolved on earth?
Simple Prokaryotic unicellular organisms
What are three changes that occurred in the anatomy during hominoid evolution?
Larger brain, smaller jaw, walking upright (bipedal)
What classification is the most specific?
Species
What type of evidence of evolution supports when scientists compare the skeletons of whales and alligators.
Comparative anatomy
What kingdom most likely occurred first, this organism is unicellular, autotrophic, and prokaryotic.
A. fungi
B. plantae
C. protista
D. archaebacteria
D. archaebacteria
What is gene flow? Provide a example.
Migration of genes from one population to another. Ex. Bee's carrying pollen from plant to plant
What domain are kingdom animalia and fungi a part of?
Eukaryota
Name two important ways in which genetic variation can be generated within a population.
Mutations and Sexual reproduction (meiosis)
What two scientists re-created earths early atmosphere, revealing one explanation for the origin of life.
Miller and Urey
What are some possible consequences of genetic drift?
Decreases Biodiversity, decreases gene pool, loss of alleles
What method is the most specific and accurate to place organisms in a classification system?
molecular biology... comparing similarities and differences between DNA
Name the order of the classification system from most broad to most specific
Kingdom, Phylum, Class, Order, Family, Genus, Species
Who was the Italian scientist who studied fly larva on raw meat and disproved the theory that life arises spontaneously
Francesco Redi
What is process (term) that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype, or genetic constitution. Example: A giraffe's long neck
Natural Selection
How are organisms in the kingdom Protista different from bacterium?
Protists have DNA in a nucleus (nuclear membrane) and bacterium does not.
Explain why a population of organisms with a greater genetic diversity is more likely to survive in a changing environment.
There is a greater chance for a favorable trait if the enviroment changes.