Question 1
In a natural community, the primary consumers are
◦ herbivores.
◦ carnivores.
◦ scavengers.
◦ decomposers.
◦ omnivores..
Question 2
Materials in sedimentary cycles
◦ pass through both a solid and a gaseous phase.
◦ are never present as gases in the ecosystem.
◦ are present as liquids in the earth but as gases in the atmosphere.
◦ pass through both a solid and a gaseous phase and are present as liquids in the earth but as gases in the atmosphere.
◦ exist only in solid rocks.