Use the Following to Answer Questions

question 83

Multiple Choice

Use the following to answer questions :
There are two species of microbes,A and B,which can be grown together or separately.If G_A is the per capita growth rate of species A,G_B is the per capita growth rate of species B,D_A is the density of species A,and D_B is the density of species B,the per capita growth rates for each are the following:
G_A = 0.18 - 0.019 D_A + 0.008 D_B
G_B = 0.22 - 0.012 D_B + 0.005 D_A
-The interaction between species A and B most closely resembles

• A) competition.
• B) a consumer-resource interaction,where A is the resource and B is the consumer.
• C) a consumer-resource interaction,where B is the resource and A is the consumer.
• D) commensalism.
• E) mutualism.

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Definitions:

Arbitrage Profit

Profit earned from buying and selling the same asset in different markets to take advantage of differing prices for the same asset.

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A measurement of a section of the stock market calculated from the prices of selected stocks, representing a specific market or sector.

Futures Contracts

Financial contracts obligating the buyer to purchase an asset or the seller to sell an asset, such as a physical commodity or a financial instrument, at a predetermined future date and price.

Electronic Networks

Systems or platforms that facilitate the trading of financial instruments, such as stocks and currencies, digitally and without a physical trading floor.