Which factor has no direct influence the Primary Productivity in an Ecosystem? S

Question

Which factor has no direct influence the Primary Productivity in an Ecosystem? Sunlight Latitude Longitude AvaiLabel Water Temperature Which is not a characteristic of decomposers? Autotrophic Heterotrophic They actually fit into food webs at many trophic levels Recycling Need Water to For questions #41-45, place these in order from the largest to the smallest. The Global Oceans The Savannah River The Stream on the VSU campus The Mississippi River Other than distance from the equator, what causes climate changes and associated differences in patterns of vegetation? Mountain Ranges Biomes Ecosystems Ocean Currents Habitat Which is not an aquatic ecosystem? Stream Mountain Spring Lake Salt Marsh Estuary Bacteria living in the intestines of humans that aid in the digestion of cellulose arc an example of... Parasitism Intraspecific Competition Commensalism Predation Mutualism Our Subtropical or Warm Moist Coniferous Forest is a(n)... Population Community Coastal Plains Bionic Ecoregion Which is not a characteristic of Producers? Heterotrophic Photosynthetic or Chemosynthetic Start of Food Chains Use Light or Chemicals to Produce Energy Need Water to Live For questions #51-55, place these Georgia ecosystems in order from the driest to the wettest. Piedmont Grassland Coastal Sand Dune Allegheny Deciduous Forest Salt Marsh Blackwater River

Explanation / Answer

39) C

All the other factors are involved in the primary productivity of an ecosystem. The latitude determines the amount of sunlight that an area actual receives at any time of the year.

40) A

They are actually saprotrophic. i.e. they feed on the dead.

So they donot need to produce their own food and therfore are not autotrophs.

47) D

Salt marsh is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water and therefore is not entirely aquatic.

48) E

Its a type of mutualism where both organisms benefit from each other.

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