Exam 3: Ecosystems: What Are They and How Do They Work

The conversion of solar energy into chemical energy occurs in

Which of the following is an example of a biotic factor that would impact a population of praying mantis?

If the biomass of flowers that support the butterflies was known to contain 100,000 units of energy, and certain bird species were eating the butterflies that foraged on the flowers, what amount of energy, on average, could be expected to be transferred to the birds?

Which of the following statements is most accurate?

The crust, core, and mantle are all areas located within the

Ammonia that is not taken up by plants may undergo ____________________.

____________________ feed on the wastes or dead bodies of other organisms.

The portion of the planet that is responsible for the vast majority of the Earth's annual biomass production is/are

The hydrologic cycle refers to the movement of

Match the items listed below with the appropriate choice -On the figure of the Earth, choose the letter that represents solar radiation.

Fossil fuels and minerals are found in the

The ____________________ involves precipitation, transpiration, evaporation, and condensation.

-What trophic level is occupied by the emperor penguin in the above food web? Briefly state the reason for your choice.

____________________ is the most abundant element in the Earth's atmosphere.

A ____________________ is similar to a food chain, but is much more complex and shows many interconnected feeding relationships.

Nitrogen is a major component of all of the following except

Match the descriptive phrase below with its appropriate cycle. -Transpiration from plants

Nitrogen fixation is accomplished by

Microbes provide much of the planet's oxygen.

Net primary productivity