Which of the following factors can decrease the primary productivity of an ecosystem? (Select ALL correct answers)

Question

⭐ Hint: There are four correct responses

(1 point)
Responses

Increased cloud cover over a forest ecosystem resulting in less radiant energy
Increased cloud cover over a forest ecosystem resulting in less radiant energy

Prolonged drought in a grassland ecosystem
Prolonged drought in a grassland ecosystem

Seasonal upwelling bringing nutrient-rich deep water to the surface of an ocean
Seasonal upwelling bringing nutrient-rich deep water to the surface of an ocean

Urban development replacing a wetland ecosystem
Urban development replacing a wetland ecosystem

Removal of decomposers from the ecosystem

Answer 1

The factors that can decrease the primary productivity of an ecosystem from the options provided are:

1. Increased cloud cover over a forest ecosystem resulting in less radiant energy - This can reduce photosynthesis, leading to decreased primary productivity.

2. Prolonged drought in a grassland ecosystem - Drought can limit water availability for plants, resulting in decreased growth and productivity.

3. Urban development replacing a wetland ecosystem - Urban development can lead to habitat loss and reduced ecosystem functions, including lower primary productivity.

4. Removal of decomposers from the ecosystem - Decomposers play a crucial role in nutrient cycling; their removal can lead to nutrient depletion, negatively impacting primary productivity.

The correct responses are:

• Increased cloud cover over a forest ecosystem resulting in less radiant energy
• Prolonged drought in a grassland ecosystem
• Urban development replacing a wetland ecosystem
• Removal of decomposers from the ecosystem