What sits at the base of a detrital food web?
AFeeders on living green plants
BHunters of large plant eaters
CFeeders on dead organic matter
DGrazers on floating algal mats
Answer & Solution
Correct answer: C. Feeders on dead organic matter
1. A grazing food web starts with plants or other photosynthetic organisms.
2. A detrital food web starts instead with organisms that feed on decaying material.
3. These decomposers and detritivores are usually bacteria or fungi.
4. They recycle dead material back into the living part of the ecosystem.
5. Most grazing food webs have a detrital web running alongside them.
_Source: OpenStax Biology 1e (CC BY 4.0), Chs 44 and 46, section 46.1 Ecology of Ecosystems_
Keep practising Ecosystems
Browse all Ecosystems questions for AP Environmental Science, or explore more Biology topics.
Related questions
Tap the nitrogen path in orderKnock out the false energy claimsDrop each fact by its elementChesapeake Bay oyster reefs covered more than 200,000 acres in the 1700s. Roughly what areBurning coal releases sulfur compounds into the air. What does rain falling through them bOne of the worst dead zones lies off the coast of the United States. Which river basin feeHow long does the average phosphate ion stay in the ocean?Fertilizer washes off farmland and into a river mouth. Which process follows?