Ecosystem Dynamics and Biodiversity

Paul Anderson discusses ecosystem dynamics, focusing on how disruptions affect ecosystems like coral reefs. He explains the role of biodiversity in ecosystem resilience and uses examples like the Potato Famine to illustrate the impact of environmental changes. The video outlines a teaching progression from elementary to high school, emphasizing the importance of biodiversity and adaptation in maintaining ecosystem health.

What is a key component of an ecosystem besides living organisms?

• Soil

• Sunlight

• Air

• Non-living material

Which of the following is an example of a natural disruption to an ecosystem?

• Pollution

• Deforestation

• Invasive species

• Fire

How can human activities cause disruptions in ecosystems?

• Through natural disasters

• By conserving natural habitats

• By increasing biodiversity

• Through pollution and introducing invasive species

What adaptation helps the lynx survive in cold climates?

• Sharp claws

• Short fur

• Big feet

• Long tail

What is a potential consequence of climate change on the lynx's adaptation?

• Disadvantage of big feet

• Advantage of big feet

• More snow

• Increased food supply

What was a major problem during the Irish Potato Famine?

• Excessive biodiversity

• Overpopulation

• Too much rainfall

• Lack of biodiversity

What does biodiversity refer to in an ecosystem?

• The number of plants

• The variety of different species

• The amount of sunlight

• The size of the ecosystem

In lower elementary grades, what should students learn about ecosystems?

• The history of ecosystems

• The needs of plants and animals

• The parts of an ecosystem

• The stability of ecosystems

What is emphasized in middle school education about ecosystems?

• The stability of ecosystems

• The dynamic nature of ecosystems

• The history of ecosystems

• The needs of plants and animals

What is a sign of a healthy ecosystem?

• Low biodiversity

• High biodiversity

• Stable temperature

• Abundant sunlight