What is the term for the accumulation of dead planktonic organisms that have sunk through the water column?

Q: Recognize the differences between the pelagic and benthic divisions of the ocean.

A: The pelagic zone alludes to the water segment, where swimming and coasting animals live. The benthic…

Q: Do Organisms Live Deep in the Regolith?

A: The fresh rock on the earth's surface is continuously exposed to physical and…

Q: What is one way water contributes to the formation of sedimentary rocks?…

A: The question is asking about the role of water in the formation of sedimentary rocks. Sedimentary…

Q: Why is it important that decomposers such as bacteria release nutrients?

A: Decomposers are organisms that break down complex organic materials, such as remains of dead…

Q: How does the excessive addition of mineral nutrients to a pond eventually result in the loss of most…

A: Introduction: Ecology can be defined as the interaction among the life forms in the immediate…

Q: State the Estuary structure and function ?

A: Estuary -- Fresh water of rivers and streams mixes with salt water from the oceans , is partially…

Q: Describe how density of the water column changes with depth in BOTH a stable and an unstable water…

A: Density is known as the unit volume mass of water and has units of grammes per cubic inch (g / cm3),…

Q: Describe the biological environment of the sea.

A: Around 71% of the surface of the earth is covered by water. This area forms the marine/ sea/ salt…

Q: Marine fish when placed in tap water bursts because of: A. Endosmosis B. Exosmosis C. Diffusion D.…

A: Introduction - Fish that dwell in seawater are known as saltwater fish, marine fish, or sea fish.…

Q: What are lakes ? explain the Types of lakes ?

A: Near about two-third of the earth is covered with water bodies in different forms. The total water…

Q: What organisms living in salty area are called?

A: Habitat is a type of natural environment for which organisms or species best adapted due to natural…

Q: If salinity changes (increases) in a freshwater body, what influence would this have on aquatic…

A: Introduction  Salinity is very important factor of aquatic ecosystem. Aquatic ecosystem is mainly…

Q: ly by carbon dioxide and many marine organisms that produce carbonate shells 2. Why are human…

A: Introduction: The uptake of carbon dioxide from the atmosphere causes an ongoing decline in the pH…

Q: If the rocky, sandy, or muddy intertidal zones represent such a challenging mix of environmental…

A: Different types of ecosystem has different types of fundamental keys to them. Each factor plays an…

Q: ocean acidification

A: A universal indicator is a mixture of different indicators or dyes which has many different colors…

Q: Plankton are unable to swim effectively and drift about at the mercy of the currents. You might…

A: Plankton are small organisms that live in the water column of the ocean, sea, and bodies of fresh…

Q: What TWO processes can increase salinity in the ocean?

A: Salinity is the measure that refers to the saltiness or the amount of salt that is found in the…

Q: The following table gives the total amounts of water and salt in the oceans and the total influx of…

A: The total amount of water in the ocean – 1.4×1018tons The total influx of water from the river –…

Q: Which zone is known as profundal zone ?

A: Answer- There are many aquatic zones in relation to temperature and sun light penetration. One such…

Q: How does gravity play a role in moving water in the water cycle?

A: the path in which the water on the ground , oceans , lakes are convetred into water vapor in…

Q: What are plankton, nekton and benthos?

A: Introduction Thereare three types of aquatic living organisms that can be classified as plankton,…

Q: How does the state of the environment affect the supply of water?

A: Water is a vital resource that sustains life on earth. It is a critical component of human health,…

Q: Describe how nutrients move in the ocean as a result of upwelling.

A: Upwelling: Upwelling is a process in which deep, nutrient-rich water is brought to the surface of…

Q: Which structure provides temporary storage of food , water and waste products ?

A: A cell is made up of several organelles that function together for the maintenance of the overall…

Q: what are typical salinity values in the ocean?

A: Salinity is generally low at the equator and at the poles and high at mid-latitudes.

Q: What are the 3 zones of the deepest ocean floor?

A: There are different zones of the deepest oceanic floor. The characteristics of the ocean floor…

Q: Explain why seasonal stratification of temperature and oxygen takes place in deep ponds and lakes.

A: The propensity of lakes to generate separate and distinct thermal layers during warm weather is…

Q: what major ecological and economic services provide by marine system?

A: Step 1 An ecosystem is a self-sustained and self-regulated segment of nature or landscape where…

Q: What are the 4 parts of the intertidal zone?

A: The intertidal zone is the territory where the sea meets the land among elevated and low tides.…

Q: What is the symmetry of this organism? What is the lifestyle of the organism (crayfish) in the…

A: Crayfish Crayfish belongs to the crustacean animals a group of arthropods. They are water animal and…

Q: Pollutant released due to human activities (like effluents from industries and homes) can radically…

A: The contamination of natural water bodies due to excessive human activity results in depleting water…

Q: Introduction: The Impact of Ocean Acidification on Shellfish Calcification The health of the world's…

A: Let's delve deeper into the various aspects of ocean acidification's impact on shellfish…

Q: How Does the Carbonate Ion Concentration of SeawaterAffect the Calcification Rate of a Coral Reef?

A: Coral reef is stony corals or structures that are formed by reef-building corals. Ocean…

Q: is the rate of seafloor spreading farly constant? how do you know

A: Seafloor spreads at the mid-oceanic ridge due to volcanic activity, as a result, divergent boundary…

Q: What determine what molecule will act as the predominant electron acceptor in a sediment layer? a.…

A: *Microorganisms present on subsurface environments competes for electron donors and acceptors . *As…

Q: What is the lifestyle of the organism (ammonite) in the  photo? (Select all that apply) (Hint:…

A: Ammonites are an extinct group of organisms. They are also known as ammonoid and belong to the group…

Q: What is the role of BOD in a river water?

A: BOD is Biological Oxygen Demand. It is defined as the amount of dissolved oxygen which is required…

Q: What kind of marine life exists at the central pacific ocean in hawaii (pelagic zone)? And can the…

A: INTRODUCTION : Marine life - Marine life includes all the flora and fauna( plant life & animal…

Q: Which part of the intertidal zone has the greatest biomass (amount of living organisms)?

A: The intertidal zone is the area where the ocean meets the land between high and low tides.…

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.