Energy Transfer Crossword

Energy from the sun enters an ecosystem when a plant uses sunlight to make sugar molecules
an organism that makes its own food
Gets energy by eating other organism
Consumers that only eat producers
Consumers that only eat other consumers
consumers that eat both plants and animals
Breaks down dead organisms in an ecosystem and returns nutrients to the soil, water, and air
the process of breaking down food to yield energy
a sequence in which energy is transferred from one organism to the next as each organism eats another organism
A diagram that shows the feeding relationships between organisms in an organism
One of the steps in a food chain or food pyramid
A process by which carbon is cycled between the atmosphere, land, water, organism
The only organisms that can fix atmospheric nitrogen into chemical compounds are a a few species of bacteria
the process in which nitrogen circulates among the air, soil, water, plants, animals in an ecosystem
The movement of phosphorus from the environment to organisms and then back to the environment
a gradual process of change and replacement of some or all of the species in an community
the type of succession that occurs on a surface where no ecosystem existed before; such as rocks or sand dunes
the more common type of succession, occurs on a surface where an ecosystem has previously existed
a species the colonizes an uninhabited area and that starts an ecological cycle in which many other species become established
a final, stable community in equilibrium with the environment