Biological Oceanographers Discuss Biomass Frequently. Just What Is Biomass?

biological oceanographers discuss biomass frequently. Just what is biomass? total mass of all organisms of a given class.

What is biomass in oceanography?

The biomass is the mass of living biological organisms in a given area or ecosystem at a given time. Biomass can refer to species biomass, which is the mass of one or more species, or to community biomass, which is the mass of all species in the community. It can include microorganisms, plants or animals.

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Which type of primary production does 99.9% of the ocean’s biomass rely on?

Primary Productivity – Photosynthesis uses solar radiation. – Chemosynthesis uses chemical reactions. 99.9% of the ocean’s biomass relies directly or indirectly on photosynthesis for food.

What are the two primary factors that control biologic productivity in the surface oceans group of answer choices?

Abiotic factors like solar radiation and nutrients, and biotic factors like zooplankton predation may affect ocean primary productivity.

Why do most fish and marine mammals have the same torpedo like streamlined shape?

Why do most fish and marine mammals have the same torpedo-like streamlined shape? The streamlined shape minimizes energy expended to move through the water.

What is a biomass in biology?

Biomass, the contraction for biological IIIXS, is the amount of living material provided by a given area or volume of the earth’s surface, whether terrestrial or aquatic.

What is biomass in biology class 10?

The dead parts of plants and trees, and the waste material of animals are called biomass. Biomass is the organic matter which is used as a fuel to produce energy. Biomass includes wood, agricultural wastes (crop residues) and cow-dung.

What would we call a phytoplankton?

Phytoplankton, also known as microalgae, are similar to terrestrial plants in that they contain chlorophyll and require sunlight in order to live and grow. The two main classes of phytoplankton are dinoflagellates and diatoms.

What are the 2 things that plants in the ocean need to grow?

Sunlight, water and carbon dioxide are necessary for plants to live. But ocean plants do not have extensive root systems, nor are they exposed to air. Instead, they have adapted to absorb all the water and carbon dioxide they need from the water they live in. Of all ocean plant adaptations, this is the most basic.

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What is the most important tool scientists use to measure global ocean productivity?

Satellites are amazing tools for observing the Earth and the big blue ocean that covers more than 70 percent of our planet. By remotely sensing from their orbits high above the Earth, satellites provide us much more information than would be possible to obtain solely from the surface.

What are three environments that have exceptionally high biological productivity in the tropical ocean Why are they so productive?

Three environments that have exceptionally high biological productivity in the tropical oceans are equatorial upwellings, coastal upwellings, and coral reefs. – Equatorial Upwelling – Have high productivity due to trade winds driving westerly equatorial currents on either side of the equator.

What are some very productive marine environments and why are they so productive?

The proximity to land and its nutrient sources, the interception of sinking organic matter by the shallow seafloor, and the propensity for coastal upwelling all result in highly productive ecosystems.

Why are temperate oceans more productive?

And they are, on land. In the ocean, the surface water gets very warm and remember that warm water is less dense than cold. This means the warm water in effect gets stuck above the cold water where all the nutrients are. So the ocean is more productive in temperate zones.

Why does the distribution of benthic biomass mimic the distribution of surface water biomass?

Why does the distribution of benthic biomass mimic the distribution of surface water biomass? d) Most of these places are shallow where sunlight penetrates to the seafloor, so photosynthesis can occur both in the water column and on the seafloor.

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What marine organism represents the vast majority of the ocean’s biomass?

Terms in this set (81) What are the 3 domains of life? What marine organism represents the vast majority of the ocean’s biomass? Plankton is a organism that float.

Which type of organism accounts for the vast majority of the biomass in the ocean?

The marine environment is primarily occupied by microbes, mainly bacteria and protists, which account for ≈70% of the total marine biomass. The remaining ≈30% is mainly composed of arthropods and fish. The deep subsurface holds ≈15% of the total biomass in the biosphere.

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