Alive Quote by G. Tyler Miller
“There is no waste in functioning natural ecosystems. All organisms, dead or alive, are potential sources of food for other organisms. A caterpillar eats a leaf; a robin eats the caterpillar; a hawk eats the robin. When the plant, caterpillar, robin, and hawk die, they are in turn consumed by decomposers.”
About This Quote
Source Textbook: Ecology, 5th ed., 2010
Ecosystems recycle energy and matter; no organism is waste, all contribute to food webs.
In simple terms: All living things are part of a cycle.
Key Takeaway
Protect natural cycles.
Themes
ecology
interdependence
energy flow
Mood
educational
concerned
Type
scientific
environmental
When to use this quote
- conservation planning
- wildlife management
- education
- policy making
Key Concepts
food web dynamics
nutrient cycling
Questions to Reflect On
- How can we reduce waste in ecosystems?
- What role do you play in the food web?
A Different Perspective
Human activity can disrupt cycles, causing imbalance.
![“When a caterpillar eats a leaf, then a thrush eats the caterpillar, or when a hawk eats the thrush only 5 to 20% of usable energy is transferred from one level to the next. ... Thus herbivores will account for a much smaller fraction of the biomass [than plants] and the carnivores for a still…” quote by Richard Heinberg](https://sms4smile.com/quotes/img-quotes/5a7/richard-heinberg-28724_accounts_when-a-caterpillar-eats-a-leaf-then-a-th_1543538.jpg)
