Exam 2: Fundamentals of Ecology

Interspecific competition is competition occurring between individuals of the same species.

On average, only about ____ percent of the energy available at one trophic level is passed on to the next trophic level.

Link areas of the Ocean with the associated terms. -Intertidal Zone

Match the direction of net movement of water to the type of extracellular solution. -hypotonic solution

Match the type of organism to a role. -phytoplankton

Link the words. -Nitrogen

Osmoconforming animals, such as the spider crab, that live in the open ocean show little ability to withstand large variations in salinity, while coastal animals, such as the closely related fiddler crab, show great ability to withstand large salinity changes. Explain why this is the case, considering the relevant abiotic features of both habitats.

Ecology is:

Match the chemical with the cycle. -NH₃

Decomposers play an important role in the biogeochemical cycling of nitrogen.

Link the words. -Osmosis

In the carbon cycle, animals play a fundamental role by:

Predators that prevent the population of their prey from exploding and thus outcompeting their prey are called:

An organism's niche can be described in terms of abiotic and biotic factors.

Match each phrase with its correct term. -Community

Match the types of competition with a brief description. -Intraspecific Competition

You are a resource manager of a large eutrophic lake. After stopping the source of nutrients from entering the lake, what further steps could you do to improve the water quality?

Important nutrients for photosynthesis include:

____ are good examples of consumers.

The relationship between the clownfish and the sea anemone it is associated with is an example of mutualism.