Chapter 15 Biology

Evolutionary change within a species or small group of organisms, especially over a long period.  

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  A. Micro-evolution 

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  B. Macro-evolution 

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As the rabbit population grew in our simulation of natural selection, what helped grow the wolf population?

• Adding more rabbits.

• Making food hard to find.

• add gene traits with better hunting and fighting.

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Evolution is a  _ ?

• A. Theory 

• B. Law 

• C. Hypothesis

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When our skittle and M&M fish lived in their orange coral habitats which color fish survived the best? 

• A. Red Fish

• b. Blue Fish 

   

• c.  Orange Fish

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If we choose the best-tasting skittle fish that would survive in the blue coral environment ... what type of selection would that be?

• Artificial Selection 

• Natural Selection 

• Non-Selection

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Under the decomposition of ___, the carcasses of plant and animal will become humus in soil.

• Bacteria

• Blue-green algae

• Protozoa

• Protozoa

• Thunder and storm

Organic matter found in soil due to __ process of humus by bacteria.

• Decay

• Oxidation

• Reduction

• Combination

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Which of the following soil has the highest percentage of organic material?

• Gravel soil

• Sandy soil

• Clay soil

• Loam

• Peat soil

Altering patterns of gene expression in prokaryotes would most likely serve the organismʹs survival in which of the following ways?

• allowing the organism to adjust to changes in environmental conditions

• organizing gene expression so that genes are expressed in a given order

• allowing environmental changes to alter the prokaryoteʹs genome

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Where does RNA polymerase bind to DNA?

• at an activator site

• on the coding gene sequence

• at a promoter region

• downstream of the coding sequence

• Where the RNA primer is placed