The correct answer is the third option: They serve as communication portals between neighboring plant cells, allowing the passage of small molecules between the two cells.
Plasmodesmata are tiny channels that link the cytoplasm (the jelly-like "stuff" in the cell, minus the nucleus) of adjacent plant cells. By doing so, they create bridges between these cells. Plasmodesmata are so important, because they allow for certain functions like facilitating the transportation of water between cells.
Answer:
An aquatic ecosystem includes freshwater habitats like lakes, ponds, rivers, oceans and streams, wetlands, swamp, etc. and marine habitats include oceans, intertidal zone, reefs, seabed and so on. The aquatic ecosystem is the habitat for water-dependent living species including animals, plants, and microbes.
Explanation:
Https://www.britannica.com/animal/sponge-animal
Cardiopulmonary arrest (AC) is defined as the sudden interruption of circulation and ventilation. Reviews every 5 years, the recommendations on CA are shared by all professionals and available online at the American Heart Association (AHA) website.
For the first blank, the answer is noisy (gasping, snoring or grunting<span>).
For the second blank, the answer is: if the person is unresponsive and not breathing.
For the third blank, the right answer is: Begin CPR (</span>Cardiopulmonary resuscitation).
Preferably, everyone should know how to try to rescue someone with a cardiac arrest, because witnessing this situation could happen to anyone, not only doctors.
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What is it you are trying to ask?
