biomass
This type of sedimentary rock must have organic material to be created. They are called organic because they are made from organic material such as grass or plankton that, over long periods of time, becomes a type of sedimentary rock. This organic material can be the organism itself or may be given off from the organism.
Yes. Given the proper mixtures of carbon dioxide, water, ammonia, etc., you can add heat or an electric spark (energy), and get stable organic molecules, such as amino acids quite easily. Such is an example of the creation of organic material through nonliving means.
Biomass refers to the total weight of living organisms in a given area or ecosystem. In general, plants have the most biomass because they form the base of the food chain and are able to convert energy from the sun into organic matter through photosynthesis.
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Decomposers release digestive hydrolytic enzymes into dead materials and absorb the organic material. They use the organic material containing carbon in respiration so CO2 is given out. They also convert proteins into NH3 which is released into the soil.
productivity
An ecosystem.
Surface waves
Biodiversity contributes to the sustainability of an ecosystem because different species in a given ecosystem depend on each other.
ecosystem
The collective living material in a given area often referred to as vegetation includes plants, trees, shrubs, grasses, and other forms of plant life. This term encompasses all the different types of flora present in a specific region or ecosystem.
Variation in plants and animals within a given ecosystem.