Describe two ecological roles that bacteria play in the enviroment?

Answer 1

Bacteria are basically the engines of the world.
They participate in the cycling of major elements, including nitrogen, oxygen, carbon, iron and sulfur.
1. Nitrogen fixation: they were the only source of biological nitrogen until we invented the Haber-Bosch process of fixing nitrogen; in this sense, bacteria limited food production for humans (the N is used as fertilizer for crops).
2. Depositing C in the ocean floor: some bacteria's metabolism involves the deposition of C into the benthic layer. Such a process has been proposed as a way to reduce CO2 emissions (and consequently the "green house effect").
3. The decomposition mentioned above extends to the ocean, as well. When organic matter is consumed/excreted or when creatures die, the DOC (dissolved organic carbon) sinks. If bacteria weren't there to clean it up, just as in the terrestrial environment, the ocean would get polluted rapidly.

Answer 2

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Describe two ecological roles that bacteria play in the enviroment?

Answer 3

Ecological roles of bacteria include:

1. Decomposing dead organic matter and organic wastes to return nutrients to the food web
2. Fixing nitrogen from the atmosphere
3. Producing food and oxygen through photosynthesis

Answer 4

Paul says to think on whatever is good, true and beautiful..and Architecture is the queen of the arts. We have no choice in the matter, none at all. Either our buildings will enrich us or they will burden our souls. This is touched on in Plato's Republic. Religion is a response of people who are physical and spiritual. So a beautiful building that leaks is no good, And a sturdy but ugly building is even worse. For the poor and the sick and the afflicted I think a beautiful sumptuous ennobling Church (even expensive) is a work of charity. And I think Mexico bears me out. Those who want to scrimp on houses of worship seem no different than Judas : This perfume could have been sold for a high price, and the money could have been given to the poor." The poor will soon need more money and we should help as we can, but they really need hope and that's what a magnificent Cathedral is, hope of a better world and God's sustaining us in this world.

Answer 5

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Physical structures, temples, mosques, cathedrals, whatever, are the superfluous ornate physical embodiment of religious seats of power intended to glean awe in a demonstration of might by the religious elite over the pitiful masses. Such "magnificent" buildings were necessary awe inspiring symbols of mankind's (*cough*) "god-given" strength: their gilded ornate details a reminder of vanity driven worship in a time when bland short-lived human existence prevailed. Given a choice between the Cistene Chapel, St. Peter's, St. Paul's, or the Köln cathedrals and a foggy fen in the early hours of the morning where the rising sun lulls the noisy crickets to sleep while waking the ravenous dragon fly, I know what my choice of spiritual setting will be.

Answer 6

Bacteria help break down certain wastes or non-edible products to benefit the environment. For example, in an oil-spill, bacteria will be employed to eat up the oil.

Bacteria also have symbiotic relations with other organisms. For example, th extremely acidic E. Coli in our digestive systems allow us to break down tough food particles in soluble food to use. The bacteria get food, we get the nutrients!

Answer 7

Breakdown of compostable materials, and errrmm...make you ill...?