Exam 24: Ecology and the Nature of Ecosystems

How is the nitrogen cycle like the carbon cycle?

What is another name for the taiga?

When a rabbit eats a bean plant,a portion of the available energy moves into the rabbit's body.When the rabbit is eaten by a hawk,a portion of the available energy moves into the hawk's body.Indicate the various areas that energy is used by an organism,and why only 10% of the rabbit's available energy will move to the hawk.

What is involved in the process of denitrification?

Which of the following is a legume involved in housing nitrogen-fixing bacteria?

Do all ecological pyramids have a broad base with a smaller top?

Which of the following is not an abiotic component of an ecosystem?

What is the primary source of carbon for aquatic algae?

Which of the following biogeochemical cycles is a sedimentary cycle?

All of the energy in an ecosystem eventually becomes

If the first-level carnivore consumes 500 kg of energy from herbivore tissue,how much is available to the second-level carnivores?

Water vapor contributes to global warming.

Organisms that live in an aquatic environment get their carbon from calcium carbonate shells on the bottom,instead of from carbon dioxide in the environment.

When water evaporates from the ocean,it leaves the salts behind.

How is carbon dioxide made availabe to living organisms?

The atmosphere would be considered what component of a chemical cycle?

What is another name for autotrophs?

What organism would be at the second level in a detrital food web?

Timothy has become a vegan.He does not eat any meat,eggs,milk,or cheese.How would Timothy be classified?

The richest marine ecosystems are those in the open water where large fish abound.