5.1 small scale ecosytem

What are the primary producers in a pond ecosystem?

• Fish

• Algae

• Water birds

• I don’t know yet

Which of the following are consumers in a pond ecosystem?

• Algae

• Bacteria

• Frogs

• I don’t know yet

What role do decomposers play in a pond ecosystem?

• They produce oxygen

• They break down dead materials and recycle nutrients

• They consume other animals

• I don’t know yet

What is a defining feature of nutrient cycling in a pond ecosystem?

• It occurs during daylight

• It involves the transfer of energy from the sun to producers

• It includes the breakdown of dead material and the use of these nutrients by plants

• I don’t know yet

Which organisms in a pond ecosystem are typically at the top of the food web?

• Algae

• Water lilies

• Herons

• I don’t know yet

What is the primary source of energy for a pond ecosystem?

• Wind

• Thermal vents

• Sunlight

• I don’t know yet

How does a tree's shade benefit a pond ecosystem?

• They decrease water temperature

• They protect aquatic life by providing shade

• They act as producers

• I don't know yet

Why is photosynthesis important in a pond ecosystem?

• It decomposes organic material

• It consumes the nutrients in the water

• It provides energy for producers

• I don’t know yet

What would likely happen if decomposers were removed from a pond ecosystem?

• Water levels would rise

• Nutrient cycling would be disrupted

• The number of producers would increase

• I don’t know yet

Which of the following is an abiotic component of a pond ecosystem?

• Fish

• Insects

• Mineral soil

• I don’t know yet