Multiple Select QuestionSelect all that applyWhich of following roles do living organisms play in the development of healthy soil?Multiple select question.Microscopic organisms provide soil with structure and loose texture.Worms and nematodes create air spaces as they burrow through soil.Certain species of bacteria act as natural pesticides, helping to keep soil free of pests.Soil bacteria and algae recycle leaf litter and make nutrients available to plants.Bacteria, algae, and fungi release oxygen into the soil for use by other organisms.Need help? Review these concept resources.

All of the options provided are roles that living organisms play in the development of healthy soil:

1. Microscopic organisms provide soil with structure and loose texture: These organisms, including bacteria and fungi, help to break down organic matter, which contributes to the soil's structure and texture.

2. Worms and nematodes create air spaces as they burrow through soil: These organisms help to aerate the soil, which is important for the health of plant roots and other soil organisms.

3. Certain species of bacteria act as natural pesticides, helping to keep soil free of pests: Some bacteria produce substances that are toxic to certain pests, helping to control their populations in the soil.

4. Soil bacteria and algae recycle leaf litter and make nutrients available to plants: These organisms break down dead plant material, releasing nutrients back into the soil that can be used by plants.

5. Bacteria, algae, and fungi release oxygen into the soil for use by other organisms: These organisms carry out photosynthesis, which produces oxygen. This oxygen can be used by other soil organisms, including plant roots.