Exam 24: Principles of Ecology

Organisms that use photosynthesis to capture energy and make their own organic compounds are known as producers or ____________________. ​

The climax community ____. ​

Plants use what form of nitrogen to make the building blocks for proteins and nucleic acids? ​

Match the letters in the diagram of the nitrogen cycle to the statements below.​ -fertilizers ​

How does carbon buried in deep ocean sediments return back to the surface? ​

Match the letters in the diagram of the nitrogen cycle to the statements below.​ -ammonium and ammonia ​

Organisms in which classification do not depend on others for nutrients? ​

In which location is the smallest tier of a biomass pyramid on the bottom?

Where on Earth would primary productivity be the lowest? ​

Feeding levels in an ecosystem are also known as ____. ​

Which classification includes animals that eat only meat?

Match the letters in the diagram of the nitrogen cycle to the statements below.​ -nitrates in the soil ​

Match the following letters of a biomass pyramid of a lake with the statements below.  -algae and rooted plants ​

The graphical representation that shows how usable energy declines as it flows through an ecosystem is a(n)____.

Most of the energy within an ecosystem is lost ____. ​

Ecosystems lose energy in the form of ____.

The majority of evaporation of water occurs ____.

Which animal is classified as a primary consumers? ​