See Article History Alternative Titles: A long, narrow country, it has an average width of only about miles, with a maximum of miles at the latitude of Antofagasta and a minimum of 9. It is bounded on the north by Peru and Boliviaon its long eastern border by Argentinaand on the west by the Pacific Ocean. Chile also claims a mile offshore limit.
Hydrothermal Vent Source Chemosynthetic Bacteria Chemosynthetic bacteria are organisms that use inorganic molecules as a source of energy and convert them into organic substances.
Chemosynthetic bacteria, unlike plants, obtain their energy from the oxidation of inorganic molecules, rather than photosynthesis.
Chemosynthetic bacteria use inorganic molecules, such as ammonia, molecular hydrogen, sulfur, hydrogen sulfide and ferrous iron, to produce the organic compounds needed for their subsistence. Most chemosynthetic bacteria live in environments where sunlight is unable to penetrate and which are considered inhospitable to most known organisms.
They're primary producers because they produce their own food. An organism that produces organic molecules from organic carbon is classified as a chemoheterotroph. Chemoheterotrophs are at the second level in a food chain. All living organisms obtain their energy in two different ways.
The means by which organisms obtain their energy depends on the source from which they derive that energy. Some organisms obtain their energy from the sun by the process of photosynthesis. These organisms are known as phototrophs because they can make their own organic molecules using sunlight as a source of energy.
Among the organisms that can use sunlight as a source of energy include plants, algae and some species of bacteria. The organic molecules produced by phototrophs are used by other organisms known as heterotrophs, which derive their energy from phototrophs, that is to say, they use the energy from the sun, indirectly, by feeding on them, producing the organic compounds for their subsistence.
Heterotrophs include animals, humans, fungi, and some species of bacteria, such as those found in the human intestines.
Photosynthesis Phototroph Source Chemosynthesis The second way in which organisms can obtain their energy is through chemosynthesis.
Organisms living in regions where sunlight is not available produce their energy by the process of chemosynthesis. During chemosynthesis, bacteria use the energy derived from the chemical oxidation of inorganic compounds to produce organic molecules and water. This process occurs in the absence of light.
The survival of many organisms living in the ecosystems of the world depends on the ability of other organisms to convert inorganic compounds into energy that can be used by these and other organisms. Plants, algae, and bacteria have the ability to use sunlight, water, and carbon dioxide CO2 and convert them into organic compounds necessary for life in a process called photosynthesis.
Photosynthesis may take place in marine or terrestrial environments where the producing organisms are able to use sunlight as a source of energy. Chemosynthesis occurs in environments where sunlight is not able to penetrate, such as in hydrothermal vents at the bottom of the ocean, coastal sediments, volcanoes, water in caves, cold seeps in the ocean floor, terrestrial hot springs, sunken ships, and within the decayed bodies of whales, among many others.
Chemosynthetic bacteria use the energy stored within inorganic chemicals to synthesize the organic compounds needed for their metabolic processes.
The dissolved chemicals, including hydrogen sulfide, methane, and reduced sulfate metals, form chimney-like structures known as black smokers. Hydrothermal vents are located very deep into the ocean where sunlight is unable to penetrate; therefore, the organisms that live at hydrothermal vents obtain their energy from the chemicals ejected out from the ocean crust.
The giant tube worm Riftia pachyptila lives in a symbiotic relationship with sulfur-oxidizing bacteria. Since the energy from the Sun cannot be utilized at such depths, the tube worm absorbs hydrogen sulfide from the vent and provides it to the bacteria.
The bacteria capture the energy from the sulfur and produces organic compounds for both the tube worm and the bacteria. Extremophiles are organisms that thrive under conditions that are considered detrimental for most organisms.
These organisms can live in habitats where no other organisms can, and are capable of tolerating a wide range of hostile environmental conditions. These organisms are termed based on the conditions in which they grow, thus, some are thermophiles, psychrophiles, acidophiles, halophiles, etc.
There are extremophiles that are able to grow in more than one habitat and are termed polyextremophiles. Microbes are extremely adaptable to harsh environment conditions and it is believed that extremophiles could be found in every unimaginable place on Earth. Extremophiles are organisms that can live in very harsh environments.
Although most of them are microbes, there are some which do not fall into the classification of archaea and bacteria It is believed that the first organisms inhabiting the Earth were chemosynthetic bacteria that produced oxygen and later evolved into animal and plant-like organisms.
Some organisms that rely on chemosynthesis to derive the energy they need include nitrifying bacteria, sulfur-oxidizing bacteria, sulfur-reducing bacteria, iron-oxidizing bacteria, halobacterium, bacillus, clostridium, and vibrio, among others.
Chemosynthetic Bacteria Questions must be on-topic, written with proper grammar usage, and understandable to a wide audience. What is the ecological importance of chemosynthetic bacteria? Bacteria play an important role in the environment both in and out of the water.
Bacteria help decompose the remains of plants and animals and other waste into nutrients that other living organisms can use.A deep sea community is any community of organisms associated by a shared habitat in the deep rutadeltambor.com sea communities remain largely unexplored, due to the technological and logistical challenges and expense involved in visiting this remote rutadeltambor.come of the unique challenges (particularly the high barometric pressure, extremes of temperature and absence of light), it was long believed.
Organisms are placed into these categories based on similarities or common characteristics. Some of the characteristics that are used to determine placement are cell type, nutrient acquisition, and reproduction.
The two main cell types are prokaryotic and eukaryotic rutadeltambor.com types of nutrient acquisition include photosynthesis, absorption, and ingestion. Paul Andersen explains how a respirometer can be used to measure the respiration rate in peas, germinating peas and the worm.
KOH is used to solidify CO2 produced by a respiring organism. Oct 14, · Chemosynthesis is a process certain organisms use to obtain energy for the production of food, akin to photosynthesis, but without the use of sunlight. The energy comes from the oxidization of inorganic chemicals that the organisms find in their environment.
Paul Andersen details the processes of photosynthesis and respiration in this video on free energy capture and storage. Autotrophs use the light reactions and . In biochemistry, chemosynthesis is the biological conversion of one or more carbon-containing molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic compounds (e.g., hydrogen gas, hydrogen sulfide) or methane as a source of energy, rather than sunlight, as in photosynthesis.
Chemoautotrophs, organisms that obtain carbon through.