Question 1
Deserts, rain forests, hardwood forests, and tundra are all examples of
◦ habitats.
◦ biomes.
◦ ecosystems.
◦ niches.
◦ communities.
Question 2
Energy flow in an ecosystem is
◦ cyclical.
◦ one-way.
◦ two-way.
◦ reversible under different conditions.
◦ dependent on the organisms in the ecosystem.