
Ecosystem Dynamics and Stability Concepts

Interactive Video
•
Biology, Science, Geography
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main theme of the video related to ecosystems?
Pollution and Conservation
Climate and Weather
Stability and Change
Biodiversity and Extinction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a factor contributing to ecosystem stability?
Human intervention
Genetic variation
Nutrient cycling
Constant energy supply
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of a disruption that can lead to ecosystem instability?
Photosynthesis
Deforestation
Symbiosis
Natural selection
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a tipping point in the context of ecosystems?
A gradual change in ecosystem structure
A point of no return after a disturbance
A stable state of an ecosystem
A minor fluctuation in ecosystem dynamics
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a mesocosm?
A nutrient cycle
A type of keystone species
A small controlled ecosystem model
A large natural ecosystem
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are closed systems preferred in mesocosm studies?
They better replicate natural nutrient cycling
They allow for unlimited nutrient input
They are easier to manage
They require less maintenance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are mesocosms limited in replicating natural ecosystems?
They are too expensive
They require too much time
They cannot replicate all natural interactions
They are too large
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