Ecology Assessment Questions

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Which of the following processes influence local species diversity? Evolution and historical factors Habitat diversity Dispersal The extent of resource partitioning

-Evolution and historical factors -Habitat diversity -Dispersal -The extent of resource partitioning

Rank the areas in terms of their productivity, from greatest to least. Temperate forests Tropical forests Deserts Boreal forests

1.)Tropical forests 2.)Temperate forests 3.)Boreal forests 4.)Deserts

Which of the following constitute islands as we have defined them? A patch of land in the ocean A forest in the middle of a city A patch of coral in the middle of a sea grass meadow A lake

A patch of land in the ocean A forest in the middle of a city A patch of coral in the middle of a sea grass meadow A lake

In this same figure, B is from: A large island A smaller island Size is irrelevant

A smaller island

Which of these graphs best describes the pattern of diversity as a function of latitude? A B C D

C

Which of these factors are important in the carbon cycle? Check all that apply. Decomposition respiration Fixation by bacterial species Photosynthesis

Decomposition Fixation by bacterial species Photosynthesis

Consider the figure above. The lines A and B represent: Immigration probability Immigration rate Extinction probability Extinction rate

Immigration rate

Where do we commonly find nitrifying bacteria? Check all that apply In the soil In Chuck Norris On the roots of plants In lakes and rivers

In the soil On the roots of plants In lakes and rivers

Which of the following are true about the euphotic zone? It extends to the depth where Net Primary Productivity = 0 It is largest where aquatic/ocean productivity is the greatest It is large in the open ocean and smaller closer to shore (like in estuaries) It reflects how far light penetrates into the water

It extends to the depth where Net Primary Productivity = 0 It is large in the open ocean and smaller closer to shore (like in estuaries) It reflects how far light penetrates into the water

Which of the following (if any) are true about energy transfer in food chains? It is assumes that energy lows between living organisms occurs only between those at adjacent levels It represents a closed system where energy can be recycled indefinitely It only occurs between living organisms It is affected only by thermodynamic processes

It is assumes that energy lows between living organisms occurs only between those at adjacent levels

Which of the following are true about top-down regulation? The primary biotic mechanism is competition Changes in op predator abundance only affects the level immediately below them Adding basal resources will increase the abundance of all higher trophic levels It is predicated on predators having the ability to strongly control prey abundance

It is predicated on predators having the ability to strongly control prey abundance

Which of the following are true about bottom up regulation? It is the result of competition for resources The only level that is affected is the producer or plant level It is an example of abiotic regulation Predators are not affected by prey density

It is the result of competition for resources

Which of these factors are important in biogeochemical cycles? Check all that apply. Microbes Atmosphere Soil Human activity Lakes Chuck Norris

Microbes Atmosphere Soil Human activity Lakes

Organism A has a higher metabolic rate than organism B. Which of the following are true (if any)? This should increase Consumption efficiency of A vs. B This should decrease Assimilation efficiency of A vs. B This should decrease Production efficiency of A vs B

This should decrease Production efficiency of A vs B

Which factors determine global patterns of marine productivity? Temperature Light Carbon Nutrients

light and nutrients

Which of the following DO NOT explain broad (global) patterns of terrestrial productivity? Light Rainfall Temperature Nutrients

light and nutrients


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