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15 Cards in this Set
- Front
- Back
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How old is the earth?
a. 5000 years old b. 5 million years old c. 500 million years old d. 5 billion years old e. 5 trillion years old |
d. 5 billion years old. (4.5-4.9) |
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The theory of evolution explains how life arose on planet Earth
a. True b. False |
True |
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What is "Primordial Soup"? |
a solution rich in organic compounds in the primitive oceans of the earth, from which life is hypothesized to have originated.
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The oxygen gas on earth:
a. was always present b. is the result of a non-living process c. was not produced until there were photosynthetic organisms (bacteria) |
c. was not produced until there were photosynthetic organisms (bacteria) |
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Oxygen was produced by _______________.
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Cyanobacteria |
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Which of these are true about the Great Oxygen Catastrophe? a. eventually it accumulated in the atmosphere b. obligate anaerobes (most organisms) died c. some organisms evolved d. a,b & c e. only a and c |
d. a,b & c |
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Explain "Descent with Modification" |
All living things have a common ancestor. As living things reproduce and as new generations are born, modifications of the original ancestor accumulate.
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Mutations are _____________ changes in DNA (genetic code)
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random |
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ndividuals don’t evolve, _____________ do.
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populations |
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The _________________ specifies what is advantageous in natural selection. |
environment |
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Name the classifications of organisms. |
fungi, animalia, prokaryotes, plantae and protista. |
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Which is the correct order of classification?
a. Kingdom, Phylum, Order, Class, Family, Genus, Species b. Kingdom, Phylum, Class, Order, Family, Genus, Species c. Kingdom, Phylum, Family, Class, Order, Genus, Species |
b kingdom, phylum, class, order, family, genus, species. |
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Bacteria have traditionally been classified based on:
a. what they look like b. how they stain c. how they metabolize nutrients d. what gases they produce e. all of the above |
a. what they look like |
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True or false? Most microorganisms are pathogenic. |
False. Most organisms are harmless. only a minority of organisms are pathogenic. |
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Which of these ways to name bacteria is correct? a. Escherichia coli b. Escherichia Coli c. escherichia coli |
A. The name must be in italics, and the species must have a capital, and the genus is lower cased. |
