If you become an ecologist, what scale of ecology would you study? Why? Give an example of what or where you would wish to study.

A feeding relationship that proceeds from algae to a fish, then to a fisherman, and then to a shark is _____. a. a food chain b. a food web c. a and b

Briefly describe some of the long-term ecological research conducted at Hubbard Brook Experimental Forest.

Which of the following methods will provide information to an ecologist about both the size and density of a population? a. mark and recapture b. mark and release c. quadrat d. life table

Which of the following sequences represents the hierarchy of biological organization from the most complex to the least complex level? a. organelle, tissue, biosphere, ecosystem, population b. organ, organism, tissue, organelle, molecule c. organism, community, biosphere, molecule, tissue, organ d. biosphere, ecosystem, community, population, organism

The type of place where a species typically lives is called its _______. a. niche c. community b. habitat d. population

What term describes the use of mathematical equations in the modeling of linear aspects of ecosystems? analytical modeling simulation modeling conceptual modeling individual-based modeling

Figure 44.12 Which of the following statements about biomes is false? Chaparral is dominated by shrubs. Savannas and temperate grasslands are dominated by grasses. Boreal forests are dominated by deciduous trees. Lichens are common in the arctic tundra.

Which term describes the process whereby toxic substances increase along trophic levels of an ecosystem? a. biomassification b. biomagnification c. bioentropy d. heterotrophy

What kind of ecosystem are exotic species especially threatening to? a. deserts b. marine ecosystems c. islands d. tropical forests