Show:
Cycles
Food Chain/Web
Ecosystem Organization
Pyramids
Community Relationships
100
Matter within ecosystems is always ________.
What is recycled?
100
Autotrophs that capture solar energy to make their own food.
What are producers?
100
All of the areas on earth where organisms live.
What is the biosphere?
100
The ultimate source of energy.
What is the sun?
100
The relationship between two different species of birds who live in the same forest and eat the same food.
What is competition?
200
The process where carbon dioxide is released back into the atmosphere as organic matter is broken down.
What is decomposition?
200
Animals that eat producers.
What is herbivores?
200
All the communities and all of the physical factors in an area.
What is an ecosystem?
200
Organisms that compose the first trophic level.
What are producers/autotrophs?
200
The symbiotic relationship where both organisms benefit.
What is mutualism?
300
Transpiration is a stage during this cycle.
What is the water cycle?
300
Another term for a carnivore.
What is a secondary consumer?
300
Number of individuals of he same species in the same place at the same time.
What is a population?
300
Each step in a food web or food chain.
What is a trophic level?
300
The relationship between a hawk and the mouse that it feeds on.
What is predation.
400
Carbon enters the living part of the ecosystem through this process.
What is photosynthesis?
400
An organism who acts as both a primary and seconday consumer.
What is an omnivore?
400
All the different populations living in a given area and time.
What is a community?
400
The amount of energy transferred to the 4th trophic level, if there is 72% in the 2nd trophic level.
What is .72%?
400
A relationship where two species live closely together.
What is symbiosis?
500
Bacteria that convert free nitrogen in the atmosphere into nitrates.
What is nitrogen fixing bacteria?
500
Organisms that eat the remains of dead animals.
What are detritivores?
500
The abiotic aspects of an ecosystem.
What is physical factors in an area.
500
The majority of energy in an energy pyramid is found on which level?
What is level 1 (producers)?
500
The relationship between a tick and a dog when the tick receives nutrients from the dog but does not cause the dog to get sick.
What is commensalism?