Biogeochemical Cycles
What is respiration?
What is the main source of energy for most life on earth?
What is the sun?
What happened to Yellowstone's elk population after wolves were removed?
What is increased and overgrazed plants?
In this symbiotic relationship, both species benefit
What is mutualism?
What is ecological succession?
What are nitrates?
In a food chain, arrows represent this
What is the flow of energy?
Reintroducing wolves helped restore ecosystem balance, what would occur if nothing was changed?
What is a trophic cascade?
What is commensalism?
Succession occurs after a disturbance such as a fire or a flood
What is secondary succession?
Plants take up nitrogen in usable forms through this process
What is assimilation?
This type of consumer eats dead or decomposing matter
What is a detritivore?
What caused the algae bloom in Lake Okechobee in 2016?
What is fertilizer run off and nitrogen build-up?
What is parasitism?
The first organisms to colonize a barren environment
What are pioneer species?
During this part of the water cycle, water vapor in the air cools down and changes back into liquid forming clouds
What is condensation?
How would removing a secondary consumer affect producers in a food web?
What is an increase in primary consumers leading to overgrazing and producer decline?
Why can algae blooms harm fish?
What is they reduce oxygen in the water?
Give an example of a predator prey relationship discussed in class
What are wolves and elk?
The final stable stage of succession
What is climax community?
How could deforestation disrupt the carbon cycle on both local and global scales?
What is reducing CO2 absorption locally and increasing CO2 in the atmosphere globally?
In most ecosystems, only about 10% of energy passes to the next trophic level. Where does the other 90% go
What is lost and released as heat?
How can humans reduce nitrogen runoff into waterways?
What is using less fertilizer?
This type of species is critical for maintaining ecosystem balance
What is a keystone species?
Succession occurring on newly formed ground with no soil, such as volcanic rock
What is primary succession?