Also, affected species are part of a food web or provide living areas for other kinds.

That is, they are concerned with only one level of the food web, namely plants.

At this point the fisheries will target species lower in the food web.

These and many other plants would have formed the base of a complex food web.

Thus, the entire food web swells as more resources are added to the base.

And who needs it, if you have a food web making everything from soup to nuts.

The owl is at the top of the food web; it has no major predators.

Such interrelationships form what is known as the food web.

The other was an analysis of the food web.

All animals have a certain position on the food web.