At Low Densities and in the Absence of Any Competitors,the

question 96

Essay

At low densities and in the absence of any competitors,the population of a strain of the flour beetle Tribolium castaneum grows at a per capita rate of 0.3 per week.Under certain lab conditions,the presence of each 100 individuals of the same species reduces that rate by 0.02.The addition of a competitor,Tribolium freemani,reduces the population growth of T.castaneum by 0.04 for every 100 T.freemani individuals.If there are 800 T.castaneum and 400 T.freemani individuals,the per capita growth rate of the T.castaneum population is _______.

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Definitions:

Invulnerable Responses

Ignoring, laughing, or being silent in response to a hurtful message.

Acquiescent

Displaying a behavior or attitude of agreeing or assenting passively, often without personal protest or the desire to give one's own opinion.

Active Verbal

Engaging in conversation with full attention and participation, often involving careful listening, responding, and asking questions.

Cognitive Jealousy

Thoughts about the loss of a partner, reflections on decreases in time spent with the partner, and analyses of behaviors or occurrences deemed suspicious.