Energy Flow
Only about this percentage of energy transfers between trophic levels.
What is 10%?
This describes gradual change in ecosystems over time.
What is succession?
Burning of fossil fuels contributes to this global issue.
What is climate change? or What is global warming?
This level contains organisms that eat producers.
What are primary consumers?
This interaction occurs when one organism hunts and eats another.
What is predation?
A pyramid showing energy flow is called this.
What is an energy pyramid?
This type of succession starts from bare rock.
What is primary succession?
Cutting down forests for agriculture is called this.
What is deforestation?
This diagram shows multiple interconnected food chains.
What is a food web?
This is the physical place where an organism lives.
What is habitat?
This is the ultimate source of energy for most ecosystems.
What is the sun?
This stage represents a stable, mature ecosystem.
What is climax community?
This occurs when toxins accumulate in higher trophic levels.
What is biomagnification?
These organisms feed on both plants and animals.
What are omnivores?
The maximum number of individuals in a species that an environment can support for the long term.
What is carrying capacity?
This trophic level has the most available energy.
What is the producer level?
This type of succession occurs after soil remains intact.
What is secondary succession?
This term refers to protecting natural habitats and
What is conservation?
The feeding pathway from producer to top predator is called this.
What is a food chain?
Commensalism, mutualism, and parasitism are all examples of this.
What is symbiosis?
When energy moves through ecosystems, it is ultimately lost as this.
What is heat?
Species that first colonize
What are pioneer species?
Fertilizer runoff leads to this process in lakes.
What is eutrophication?
These two types of organisms can only be found on one level of a food chain.
What are producers and herbivores?
When one species is removed and causes major ecosystem disruption, it is called this.
What is a keystone species?