5.2.1.4.1. Natural Ecosystems

Try these first

1. 1.

   What are the three types of ecological pyramids?

   Hint

   Think about what they represent in an ecosystem.

2. 2.

   Name one abiotic component of a pond ecosystem.

   Hint

   Consider what is necessary for living organisms.

3. 3.

   What does the pyramid of numbers represent?

   • Only biomass at each trophic level
   • The number of organisms at various trophic levels
   • Energy transfer between levels

   Hint

   Think about how many producers exist compared to consumers.

4. 4.

   True or False: Artificial ecosystems occur without human influence.

   • True
   • False

   Hint

   Consider who manages these environments.

5. 5.

   Evaluate the ecological impacts of converting a forest (natural ecosystem) into agricultural land (artificial ecosystem). Discuss potential changes in biodiversity, nutrient cycles, and ecosystem services.

   Hint

   Consider effects on both species and environmental processes.

6. 6.

   Design an experiment to measure the differences in biomass between a natural grassland ecosystem and an artificial pasture. What variables would you control and measure?

   Hint

   Focus on comparing production capabilities of each ecosystem.