The Biosphere: Biotic and Abiotic Factors

The video tutorial explores the Maple Beech Forest ecosystem in New England, highlighting its biotic components like sugar maples and beech trees, and various animals and plants. It explains abiotic components such as moisture, temperature, wind, and soil type, which influence the ecosystem. The tutorial concludes with a brief introduction to how ecosystems can change over time.

What are the dominant tree species in the Maple Beech Forest?

• Spruce and Fir

• Oak and Pine

• Sugar Maple and Beech

• Birch and Cedar

Which of the following is considered a biotic component of an ecosystem?

• Precipitation

• Temperature

• Soil type

• Beech trees

How does precipitation affect an ecosystem?

• It stabilizes the temperature.

• It controls the wind patterns.

• It influences the types of plants and animals that thrive.

• It determines the soil type.

What is one way temperature affects the Maple Beech Forest?

• It is unaffected by precipitation.

• It remains constant throughout the year.

• It only changes during the night.

• It fluctuates from season to season.

Which factor is crucial in determining soil type in an ecosystem?

• Relative amounts of sand, clay, and humus

• Presence of animals

• Wind speed

• Amount of sunlight