Answer:
Alveoli are tiny, balloon-shaped air sacs. Their job is to move oxygen and carbon dioxide (CO2) molecules into and out of your bloodstream.
Explanation:
The interrelationship between the Elodea plant and paramecia in a pond system is mutualism.
The pond system is a type of an artificial aquatic system that contains organisms (plants and animals) that are regularly maintain.
The Interrelationship between organisms which can occur in an ecosystem include:
- competition,
- predation,
- commensalism,
- mutualism and
- parasitism.
Mutualism occurs when two organisms of different species benefits from each other.
The Elodea plant purifies the water through photosynthesis and provides habitat for the paramecia
The paramecia in turn generates carbondioxide through its body surface which is a key element used for photosynthesis by the Elodea plant.
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