Exploring Limiting Factors and Carrying Capacity

The video explores the components of ecosystems, focusing on biotic and abiotic factors. It discusses how limiting factors, both natural and man-made, affect population growth and ecosystem health. The impact of natural disasters and human activities on ecosystems is examined, highlighting how these factors can lead to changes in population dynamics. The concept of carrying capacity is introduced, explaining how it is influenced by various factors, including invasive species. The video emphasizes the balance required for a healthy ecosystem and the potential for recovery after disturbances.

What are the two main types of factors that make up an ecosystem?

• Living and Dead

• Biotic and Abiotic

• Organic and Inorganic

• Natural and Artificial

Which of the following is an example of an abiotic limiting factor?

• Amount of sunlight

• Predation

• Disease

• Food availability

Tags

NGSS.MS-LS2-4

How do seasonal changes act as a limiting factor?

• By increasing food supply

• By causing certain individuals to die

• By reducing disease spread

• By providing more space

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is a biotic limiting factor?

• Sunlight

• Space

• Disease

• Water

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which natural disaster can help certain tree species reproduce?

• Tornadoes

• Forest fires

• Flooding

• Blizzards

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

What happens to a population if there is less food available?

• It increases

• It remains the same

• It decreases

• It fluctuates randomly

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How can human activities like hunting affect a population?

• By providing more space

• By increasing food supply

• By reducing competition for resources

• By increasing disease spread

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the carrying capacity of an environment?

• The maximum number of organisms that can live there healthily

• The number of natural disasters that occur

• The amount of food available

• The total number of predators in the area

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is an invasive species?

• A species that is beneficial to the ecosystem

• A species that is endangered

• A non-native species that damages the ecosystem

• A native species that thrives

Tags

NGSS.MS-LS2-2

How does Kudzu affect native plants?

• By reducing soil erosion

• By increasing water availability

• By covering them and blocking sunlight

• By providing them with more nutrients

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4