Question

1.how nutrients are replenished in the soil
2. define symbiotic plant
3. absorption of digested food

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Answer 1

Explanation:

1)The nutrients are replenished in the soil by crop rotation. Changing the crops for every season will keep the land fertile. When one type of crop drains the nutrients in one season, then in the nest season plant different type of plant which will give back these nutrients to the soil.

2)Plant symbiosis is the close and persistent co-existence of individuals of more than one species, at least one of which is a plant. In most cases both the plant and its symbiont derive an advantage from the interaction.

3)Digested food molecules are absorbed in the small intestine . This means that they pass through the wall of the small intestine and into our bloodstream. Once there, the digested food molecules are carried around the body to where they are needed.

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