Question

energy moved through any ecosystem via a
a food source
b food web
c food mate
organisms at each level of the food web use the energy for and some of
the energy is released as heat energy.
a metabolism
b reproduction
certain elements, such as carbon and nitrogen, are recycled in nature and are released
through the of living things.
a metabolism
b decomposition

Explanation:

1. Energy in ecosystems flows through interconnected feeding relationships called food webs.
2. Organisms use energy for metabolic processes (life functions), releasing heat.
3. Decomposers break down dead organisms, recycling elements like carbon/nitrogen.

Answer:

1. B. food web
2. A. metabolism
3. B. decomposition