What is the ten percent rule?
When energy passes through trophic levels, the available energy is ten percent of the previous level.
As you go up the energy pyramid, the amount of organisms get from the sun decreases. True or false?
True
The biggest driver and force influencing the currents in the ocean.
What is wind?
All food webs start with ___________.
What are producers / autotrophs / plants.
These organisms recycle dead matter and waste into nutrients for the soil.
Decomposers
A system that includes all living organisms (biotic factors) in an area as well as its physical environment (abiotic factors) functioning together.
What is an ecosystem?
When an open water lake fills with sediment and becomes more vegetated and looks less like a lake and more like land.
What is aquatic succession?
E. coli are bacteria that live in the gut of human beings. The human provides the ideal habitat for habitat for E. coli reproduction and the E. coli provides the vitamin K that we use. What is this relationship called?
What is a mutualistic relationship?
These organisms (like you and me!) can't make their own food. All consumers are ________.
What is heterotrophs?
Abiotic means
nonliving
The equation for density.
density = mass divided by volume
The process of creating life in an area where no life previously existed.
What is primary succession?
Organisms that can generate their own food are also known as producers, or ________________.
Autotrophs
Describe the role of climate change in the shifts of the AMOC.
Climate change should be considered when looking at shifts of the AMOC, but the current shifts are still within the normal bounds.
Hot water is ______ dense than cool water.
Less dense
The process of re-stabilization that follows a disturbance in an area where life has formed an ecosystem.
What is secondary succession?
When predators increase in a food web, what is the impact on the food web?
The number of prey decrease, and eventually, the predators run out of food to eat because they have hunted all the prey.