Intertidal Zone Quiz Questions
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Coralline Algae
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
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About This Quiz
For questions 1 through 18 match the intertidal zone with the organism or characteristic.
For questions 19 through 26 match the vocabulary word with the definition.
This is an untimed quiz.
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Questions and Answers
- 2.
Grunion Fish
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Sandy BeachExplanation
The correct answer is Sandy Beach because grunion fish are known to spawn on sandy beaches. They bury their eggs in the sand, and when the tide comes in, it triggers the hatching of the eggs. Sandy beaches provide the ideal environment for grunion fish to reproduce and ensure the survival of their offspring.Rate this question:
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- 3.
Pismo Clam
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Tidepool
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Estuary/Wetland
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Rocky Shore
Correct Answer
A. Estuary/WetlandExplanation
Estuary/Wetland is the correct answer because pismo clams are commonly found in estuaries and wetlands. These areas provide the ideal habitat for pismo clams, as they require a mix of saltwater and freshwater. Estuaries and wetlands are characterized by their high levels of nutrients and sediment, which support the growth and reproduction of pismo clams. Additionally, these areas often have sandy or muddy substrates, which are preferred by pismo clams for burrowing and hiding. Therefore, the presence of pismo clams in an ecosystem is a strong indicator of an estuary or wetland environment.Rate this question:
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- 4.
Shore Crab
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Rocky ShoreExplanation
The shore crab is commonly found in rocky shores. Rocky shores provide the ideal habitat for shore crabs due to the presence of crevices and rocky surfaces where they can hide and find food. Additionally, rocky shores are often exposed to waves and tides, providing a constant source of oxygen and nutrients for the crabs. Therefore, the rocky shore is the most suitable environment for the shore crab to thrive.Rate this question:
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- 5.
Aggregating Sea Anenome
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Rocky ShoreExplanation
A rocky shore is the correct answer because sea anemones are commonly found in this type of habitat. Rocky shores provide a stable substrate for the attachment of sea anemones, and they also offer protection from strong wave action. The crevices and rock pools found on rocky shores provide an ideal environment for sea anemones to thrive. In addition, rocky shores often have a high abundance of food sources, such as small invertebrates, which are important for the survival of sea anemones.Rate this question:
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- 6.
Fiddler Crab
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Estuary/WetlandExplanation
An estuary/wetland is the most suitable habitat for a fiddler crab. Fiddler crabs are typically found in areas with a mix of saltwater and freshwater, such as estuaries and wetlands. These habitats provide the necessary conditions for fiddler crabs to thrive, including a combination of water salinity, food sources, and shelter. Additionally, estuaries and wetlands offer a diverse ecosystem with abundant vegetation, which is essential for the fiddler crab's diet and protection. Therefore, the fiddler crab is most likely to be found in an estuary/wetland environment.Rate this question:
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- 7.
Sculpin
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. TidepoolExplanation
A tidepool is a small, rocky pool of seawater that is left behind when the tide goes out. It is usually located along the rocky shore and is home to a variety of marine organisms such as anemones, crabs, and small fish. Tidepools offer a unique and diverse habitat where these organisms can thrive, as they provide shelter and a constant supply of food. Therefore, out of the given options, tidepool is the most appropriate answer as it accurately represents a distinct ecological feature found in coastal areas.Rate this question:
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- 8.
Chiton
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Rocky ShoreExplanation
A rocky shore is the correct answer because chitons are a type of marine mollusk that are commonly found in rocky intertidal areas. These areas provide the chitons with the hard surfaces that they need to attach themselves to and feed on algae and other organisms. Additionally, rocky shores often have a greater diversity of species compared to other habitats listed, making them a suitable habitat for chitons.Rate this question:
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- 9.
Cord Grass
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Estuary/WetlandExplanation
Estuary/Wetland is the correct answer because cord grass is commonly found in estuaries and wetlands. These areas are characterized by a mix of saltwater and freshwater, and cord grass is well adapted to survive in such environments. It helps stabilize the soil and prevent erosion, while also providing habitat and food for various species. Therefore, the presence of cord grass suggests the presence of an estuary or wetland ecosystem.Rate this question:
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- 10.
Brittle Stars
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. TidepoolExplanation
Tidepools are small, rocky pools of seawater that are left behind when the tide recedes. They are typically found along rocky shores and are home to a variety of marine organisms, including brittle stars. Brittle stars are a type of echinoderm that are well-adapted to living in intertidal zones, such as tidepools. They have long, flexible arms that allow them to move quickly and efficiently in search of food and shelter. Therefore, the correct answer is Tidepool.Rate this question:
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- 11.
Substrate is soft and pliable.
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Sandy BeachExplanation
A sandy beach is the correct answer because it is made up of loose particles of sand, which are soft and pliable. The sand can easily shift and mold to the shape of objects or organisms that come into contact with it. In contrast, a tidepool is a small pool of water that forms in rocky areas, and a rocky shore is characterized by hard and solid surfaces. An estuary/wetland is a transitional area between land and water, and while it may have soft and muddy areas, it does not necessarily have the same soft and pliable substrate as a sandy beach.Rate this question:
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- 12.
Most drastic changes in temperature, salinity, etc..
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. TidepoolExplanation
Tidepools experience the most drastic changes in temperature, salinity, and other factors compared to the other listed ecosystems. Tidepools are small, shallow pools of seawater that are formed during low tide and are exposed to the elements during high tide. This constant exposure and submergence result in rapid fluctuations in temperature and salinity levels, making it a challenging environment for organisms to adapt and survive. In contrast, sandy beaches, rocky shores, and estuaries/wetlands may have some variations in environmental conditions, but they do not experience the same extreme changes as tidepools.Rate this question:
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- 13.
Has the least amount of plant life.
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Sandy BeachExplanation
A sandy beach has the least amount of plant life compared to the other options listed. This is because the sandy substrate does not retain water well, making it difficult for plants to establish themselves. Additionally, the constant movement of sand due to waves and tides can further inhibit plant growth. In contrast, tidepools, rocky shores, and estuaries/wetlands often have more plant life due to their more stable and nutrient-rich environments.Rate this question:
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- 14.
Intense wave action.
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Rocky ShoreExplanation
A rocky shore is the correct answer because intense wave action is typically found in areas with rocky shores. The constant pounding of waves against the rocks creates a turbulent environment with strong currents and high energy levels. This wave action can lead to the formation of tide pools, where small pools of water are trapped between the rocks at low tide. Sandy beaches, on the other hand, are typically associated with more gentle wave action, as the sand absorbs and dissipates the energy of the waves. Estuaries and wetlands are generally characterized by calm, brackish water and are not typically associated with intense wave action.Rate this question:
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- 15.
Soft muddy, mushy substrate.
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Estuary/WetlandExplanation
An estuary/wetland is the correct answer because soft muddy and mushy substrate is typically found in these environments. Estuaries and wetlands are transitional areas where freshwater and saltwater mix, creating a unique habitat with a mixture of sediment, mud, and organic matter. The soft substrate is ideal for the growth of various plants and the presence of diverse organisms such as marsh grasses, algae, and mollusks. This environment provides important ecological functions, including filtering pollutants, providing nurseries for fish and other aquatic species, and serving as a habitat for migratory birds.Rate this question:
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- 16.
Where the river meets the ocean.
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Estuary/WetlandExplanation
Estuary/Wetland is the correct answer because it is the area where a river meets the ocean. Estuaries are partially enclosed bodies of water where freshwater from rivers and streams mixes with saltwater from the ocean. They are characterized by brackish water, which is a mixture of freshwater and saltwater. Wetlands, on the other hand, are areas where water covers the soil or is present near the surface for a significant part of the year, creating a unique ecosystem. Estuaries and wetlands are important habitats for a wide variety of plants and animals, and they play a crucial role in filtering pollutants and providing nursery grounds for many species.Rate this question:
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- 17.
Has the most plant life.
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Estuary/WetlandExplanation
Estuaries and wetlands are known to have the most plant life compared to other ecosystems listed. These areas are characterized by high levels of nutrients and water availability, which create ideal conditions for plant growth. The combination of freshwater and saltwater in estuaries, along with the presence of marshes and swamps in wetlands, supports a diverse range of plant species. These plants play a crucial role in providing habitat, food, and oxygen for various organisms, making estuaries and wetlands highly productive ecosystems.Rate this question:
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- 18.
Irregular, hard rocks as substrate.
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Tidepool
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Sandy Beach
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Rocky Shore
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Estuary/Wetland
Correct Answer
A. Rocky ShoreExplanation
A rocky shore is the correct answer because irregular, hard rocks serve as the substrate in this habitat. Rocky shores are characterized by the presence of rocks of various sizes and shapes, which provide attachment points for marine organisms such as barnacles, mussels, and seaweeds. The rough texture of the rocks also helps to break up wave energy, creating a more sheltered environment for these organisms. Additionally, the crevices and tide pools formed by the rocks provide habitats for a diverse range of species adapted to withstand the harsh conditions of the intertidal zone.Rate this question:
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- 19.
"moving"
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Articulating
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Detritus
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Sessile
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Motile
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Dessication
Correct Answer
A. MotileExplanation
Motile means capable of movement. Out of the given options, "motile" is the only word that directly relates to movement. "Articulating" means expressing or conveying something clearly, "detritus" refers to waste or debris, "sessile" means fixed in one place and unable to move, and "dessication" refers to the process of drying out. Therefore, "motile" is the correct answer as it is the only word that describes the ability to move.Rate this question:
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- 20.
"tiny particles of dead plants and animals"
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Detritus
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Desiccation
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Sessile
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Articulating
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Beach platform
Correct Answer
A. DetritusExplanation
Detritus refers to tiny particles of dead plants and animals. It is the result of the decomposition and breakdown of organic matter. This organic material serves as a source of nutrients for other organisms in the ecosystem. Detritus plays a crucial role in nutrient cycling and energy flow within ecosystems, as it is consumed by detritivores and decomposers.Rate this question:
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- 21.
"drying out"
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Sessile
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Desiccation
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Articulating
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Motile
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Beach platform
Correct Answer
A. DesiccationExplanation
Desiccation refers to the process of drying out. This term is often used in the context of plants or organisms that are able to survive in dry environments by adapting to withstand the loss of water. In this case, "drying out" is a synonym for desiccation, making it the correct answer. The other options, such as sessile, articulating, motile, and beach platform, do not relate to the concept of drying out and are therefore incorrect.Rate this question:
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- 22.
"sand deposited on the beach"
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Desiccation
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Summer berm
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Winter berm
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Sessile
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Feldspar
Correct Answer
A. Summer bermExplanation
A summer berm is the correct answer because it is the only option that is related to the given phrase "sand deposited on the beach". A berm refers to a raised area of sand or sediment that is formed by the deposition of materials such as sand on a beach. During the summer, increased wave action and currents can cause the deposition of sand on the beach, resulting in the formation of a summer berm. This explanation fits the given correct answer.Rate this question:
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- 23.
"file-like tongue for scraping"
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Radula
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Feldspar
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Detritus
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Desiccation
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Sessile
Correct Answer
A. RadulaExplanation
The correct answer is "radula." The term "file-like tongue for scraping" refers to the radula, which is a unique feeding organ found in certain mollusks, such as snails and slugs. The radula is covered in rows of tiny, backward-facing teeth that are used to scrape and rasp food particles from surfaces. This adaptation allows mollusks to feed on a variety of materials, including algae, detritus, and even other small organisms. The other options, feldspar, detritus, desiccation, and sessile, are unrelated to the concept of a file-like tongue for scraping.Rate this question:
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- 24.
"these are left exposed on the beach during the winter"
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Detritus
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Beach platform
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Summer berm
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Winter berm
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Articulating
Correct Answer
A. Beach platformExplanation
During the winter, the items mentioned in the question (detritus, beach platform, summer berm, winter berm, articulating) are left exposed on the beach. The term "beach platform" refers to a flat area on the beach that is often exposed during low tide. This explanation aligns with the given answer "beach platform".Rate this question:
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- 25.
"stationary"
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Detritus
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Radula
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Motile
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Sessile
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Articulating
Correct Answer
A. SessileExplanation
Sessile refers to organisms that are permanently attached to a surface and do not move. In the context of the given options, "stationary" is a synonym for sessile. The other options - detritus, radula, motile, and articulating - do not have the same meaning as sessile and are therefore incorrect.Rate this question:
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- 26.
"small particles found on a typical beach"
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Desiccation
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Radula
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Feldspar
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Sessile
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Motile
Correct Answer
A. FeldsparExplanation
Feldspar is a type of mineral commonly found in rocks and soils. It is not a small particle, but rather a larger mineral that can be found on a typical beach. Desiccation refers to the process of drying out, radula is a feeding organ found in some animals, sessile means attached or immobile, and motile means capable of movement. None of these terms accurately describe feldspar, making it the correct answer.Rate this question:
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Current Version
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Dec 04, 2023Quiz Edited by
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Sep 23, 2010Quiz Created by
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