WorksheetsReview for Unit 1.3 Test!
Total questions: 12
Worksheet time: 36mins
It is believed that this gas was not present on early Earth's atmosphere.
nitrogen
oxygen
carbon dioxide
methane
This scientist's set of experiments irrefutably disproved the theory of spontaneous generation.
Louis Pasteur
John Needham
Francesco Redi
Aleksandr Oparin
_________ built a closed system simulating the conditions of early Earth where simple organic compounds, like amino acids, formed.
Oparin and Haldane
Louis Pasteur
Miller and Urey
Francesco Redi
The formation of new species of birds (finches) in the Galapagos Islands was caused by _________.
Episodic isolation
Geographic isolation
Temporal isolation
Behavioral isolation
A change in the structure of genes or chromosomes of an organism. (Nucleotides are altered)
Genetic Recombination
Genetic Drift
Mutation
Gene Flow
____________ have different skeletal structures, but the same function.
Homologous structures
Vestigial structures
Analogous structures
Molecular structures
The sequence of DNA bases is the same for every organism.
True
False
As humans evolved, their _________ increased in size and their ________ decreased in size.
brains, jaws
jaws, brains
legs, brains
jaws, legs
________ have similar skeletal structures, but different functions.
Homologous structures
Vestigial structures
Analogous structures
Molecular structures
A type of genetic drift in which small groups of organisms separate from a larger population and form new small colonies.
Gene Flow
Founder Effect
Natural Selection
Artificial Selection
The exchange of genes between two populations.
Genetic Drift
Founder Effect
Gene Flow
Genetic Recombination
Which of the following is NOT part of what is believed the first life forms were like?
Did not need oxygen to survive
Lived in the oceans
Were probably unicellular
Were probably eukaryotes
