Question28 0 / 2.5 points What is the resource-ratio hypothesis? Question options:Late successional species are not affected by species of previous stages.There are three strategies respecting resource use by plants.There is a pattern of changing allocation of carbon to aboveground tissues.The process of succession is determined by who gets there first. Question29 2.5 / 2.5 points
Which of the following increases connectivity between patches? Question30 2.5 / 2.5 points An organismic concept of communities was developed by: Question31 2.5 / 2.5 points The greater the number of links in a food chain, the higher the: Question322.5 / 2.5 pointsWhen a forest gradually merges into a grassland over a wide area, the border between the two landscape patches is referred to as a(n): Question options:narrow border.convoluted border.perforated border.ecotone. Question33 2.5 / 2.5 points Changes in community composition and structure over time are called:
Question342.5 / 2.5 pointsWhy might biologists assemble species into functional groups when examining community structure? Question35 2.5 / 2.5 points As glaciers in North America melted, formerly glaciated areas were invaded by: Question362.5 / 2.5 pointsIn succession, which type of environmental change occurs when the physical environment changes, such as an increase in temperature or salinity? Question options:AllopatricAllogenicAutozygousAutogenic Question37 2.5 / 2.5 points Which of the following is an example of a fundamental niche?
Question38 2.5 / 2.5 points The number of species within a community is usually greatest when: Question39 0 / 2.5 points Which backyard would you predict to have the greatest diversity of birds? Question40 2.5 / 2.5 points As the fertility of soil on the forest floor increases, the: Question options:growth rate of plants increases.size of plants decreases.density of plants decreases.number of species of plants increases. Attempt Score: 90 / 100 - 90 % Overall Grade (highest attempt) : 90 / 100 - 90 %
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