What supplies most of the energy that enters a forest's feeding relationships?

How does a rice plant obtain the energy stored in the food it makes?

A fungus absorbs nutrients as it breaks down a fallen tree trunk. What is its role?

Which diet describes a carnivore?

What do the arrows in this diagram represent?

Which sequence follows a complete feeding pathway in this diagram?

Which role does the grasshopper have in this diagram?

In this pond pathway, at which trophic level is the small fish?

Which organism has no predator shown in this web?

If rabbits disappear from this web, how many of the hawk's direct food sources shown remain?

Which labeled tier represents the greatest available energy?

Why is less energy available to organisms higher in a feeding pathway?

For energy captured by rice plants, which meal involves fewer feeding transfers before that energy reaches a person?

If animals that shred fallen leaves disappeared from a forest, what would likely happen?

All the frogs of one species living in a rice field make up which level of organization?

Which collection includes living organisms and the physical surroundings they interact with?

Which factor affects plant growth without being a living part of a rice field?

Snakes are removed from this pathway while other conditions stay similar. What is the most likely short-term change?

Logging reduces plants eaten by a Philippine eagle's prey. If no alternative foods are available, which indirect effect is most likely over time?

Which pond organism can begin a feeding pathway by making its own food?