Trunity ec trunity.org/textbooks/29065/questionnaire/5ae8a193c96b403e9756422byte

Question

Trunity ec trunity.org/textbooks/29065/questionnaire/5ae8a193c96b403e9756422bytest/ species A. provide extensive care for their offspring B. produce many offspring C. reproduce later in life Natural selection acts on E A. individuals OB. C. communities Which is of the following is NOT a density-dependent factori E A. food supply B. weather C. shelter or nest space D. disease E. predators E Symblosis in which both participants benefit is C.mutualism Dapredation E What is the difference between exponential growth and logistic growth? A gradual increase in numbers in subsequent generations depending upon available resources versus rapidly increasing numbers regardless of available versus B. rapidly increasing numbers in subsequent generations regardless of available versus gradual increase depending upon resources C. rapid increase in size of all individuals in subsequent generations versus a mixture in size of individuals

Explanation / Answer

1. An opportunistic species is capable of exploiting new habitats because of its ability to reproduce and because of its ability for long distance spreading. Opportunistic species have high growth rate and they can produce many offspring. So, the correct option is option B, produce many offspring.

2. Natural selection drives evolution by selecting traits that are useful so that the fittest individual survives. Natural selection acts on individuals whereas evolution acts on population. So, the correct option is option A, individuals.

3. Weather and climate are density independent factors and the influence of these factors on population size is independent of the density of population. So, the correct option is option B, weather.

4. Mutualism is a type of symbiotic association in which both the organisms in the interaction are benefited. So, the correct option is option C, mutualism.

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