Question

which is an example of why the process of photosynthesis is important to life on earth?
grass uses photosynthesis to produce glucose, which is used within the grass for growth.
fungi use photosynthesis to decompose dead and decaying plant matter.
ectothermic animals use photosynthesis to convert sunlight into energy for cell functions.
green plants use photosynthesis to remove oxygen gas from the atmosphere and replenish the earth’s carbon dioxide.

Explanation:

• Analyze Option 1: Grass is a plant. Photosynthesis in grass produces glucose, which is used for its growth. This is a correct example of photosynthesis's importance as plants use photosynthesis to make food (glucose) for growth and energy, and this supports the food chain and ecosystem.
• Analyze Option 2: Fungi are decomposers and do not perform photosynthesis. They get energy from decomposing matter, so this is incorrect.
• Analyze Option 3: Ectothermic animals do not perform photosynthesis. Only plants, algae, and some bacteria do photosynthesis. Animals get energy from consuming food, so this is incorrect.
• Analyze Option 4: Photosynthesis in green plants removes carbon dioxide from the atmosphere and releases oxygen, not the other way around. So this statement is incorrect.

Answer:

A. Grass uses photosynthesis to produce glucose, which is used within the grass for growth.