Which organisms are likely to inhabit low-tide zones?

Master your AICE Marine Science Paper 2 Exam. Dive deep into flashcards and multiple choice questions, with hints and explanations for each query. Get exam-ready today!

The correct answer reflects the types of organisms that are well-adapted to survive in the challenging conditions of the low-tide zone, commonly known as the intertidal zone. This area is exposed to both aquatic and terrestrial conditions, leading to drastic changes in water level, temperature, salinity, and wave action.

Seaweed, in this context, thrives in the low-tide zone because it is capable of photosynthesis, utilizing sunlight when the tide recedes. It is often found attached to rocky substrates and can endure the moist environment during low tide while still being submerged when the tide rises. Sea stars, on the other hand, are predators that typically inhabit relatively shallow water and can move across the substrate to find food; they are often seen in areas where they can access both prey and shelter during low tide.

The other organisms listed have varying adaptations suited to the intertidal environment, but they either thrive in different niches or are more commonly associated with other zones. Crabs and isopods may be found in tidal zones but are often associated with soft sediments and may not be as adaptable to the harsh conditions of the low-tide rocky surfaces. Ghost crabs and mollusks occupy similar habitats but tend to be more associated with sandy

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