ESS 1.3 Notes

ESS 1.3 Notes

Open Ended

What are the two main processes taking place in any ecosystem?

Multiple Choice

Where does most of the energy on Earth come from?

• Moon

• Sun

• Mercury

• Universe

Multiple Choice

What is more energy efficient, plant based or animal based diet?

• Plant

• Animal

• Neither

Multiple Choice

What is steady-state equilibrium

• When all parts are equal

• equal energy in and out all the time with little fluctuations

• when an open system returns to balance after a disturbance

Multiple Choice

What type of feedback mechanism do you think is involved in steady-state equilibrium?

• Positive

• Negative

Open Ended

What is the difference between static equilibrium and steady state equilibrium

Open Ended

What is the difference between positive and negative feedback mechanisms

Multiple Choice

What is resilience ?

• Ability of a system to bounceback after a distrubance

• ability to not change

• ability of a system to resist change

Multiple Choice

What is a tipping point?

• Point at which if exceeded a system fails and must reach a new equilibrium

• Point at which resource use and nutrient cycling are balanced

• Point at which a huge change is coming for the system

• Point at which energy cycling is balanced

Open Ended

Give an example of a tipping point example in nature that you know of