5.2.1.4.1.2.2.1. Abiotic Components

Try these first

1. 1.

   What is the primary producer in a pond ecosystem?

   Hint

   Think about the aquatic producers.

2. 2.

   What happens to the number of species as you move up the Pyramid of Number?

   Hint

   Recall upward movement affecting organism numbers.

3. 3.

   What usually causes the Pyramid of Energy to remain upright?

   • Energy is created at the top
   • Energy decreases at each trophic level
   • Energy is recycled at each level

   Hint

   Think about energy transition in ecosystems.

4. 4.

   True or False? An artificial ecosystem operates independently of human interference.

   • True
   • False

   Hint

   Consider human roles in maintaining ecosystems.

5. 5.

   Predict how a significant reduction in phytoplankton populations would impact the entire pond ecosystem.

   Hint

   Think about the food web's reliance on producers.

6. 6.

   If a forest ecosystem shows an inverted pyramid structure, explain how it affects resource allocation.

   Hint

   Consider inter-species relationships and competition.