a type of succession that occurs on abandoned farmland

a common type of succession that occurs on a surface where an ecosystem has previously existed

What is the ultimate source of energy for almost all organisms except those living deep in the ocean near a thermal vent?

Which of these consumers might depend on a rabbit for its energy?

A consumer that eats only producers is called a(n)

What term is used to describe a linear sequence in which energy is transmitted from one organism to the next as each organism eats another organisms?

What term is used to refer to the many feeding relationships that are possible in an ecosystem?

Which organism would occupy the level on an energy pyramid with the most energy?

In the carbon cycle, where do the producers get their carbon?

Where are fossil fuels located?

How do lichens contribute to primary succession

Where would you most likely find nitrogen-fixing bacteria?

What type of vegetation would you expect to find on an abandoned farm that has been undisturbed by humans for 150 years?

Consumers are organisms that

The energy consumed by organisms

Which of these is a large reservoir of nitrogen that is unusable by most organisms? ( What is made up of 78% nitrogen)