Biology

Difference between phototroph and chymotroph

Main difference

The main difference between phototrophs and chemotrophs is that phototrophs are the group of organisms that use energy from sunlight to produce ATP to perform cellular functions, while chemotrophs are organisms that acquire energy from chemical oxidation or chemosynthesis …

Phototrophs vs. Chemotrophs

Phototrophs are organisms that consume sunlight as a source of energy to develop their cellular functions, while chemotrophs are creatures that depend on the energy produced by the oxidation of inorganic or organic molecules. There are two kinds of phototrophs as photoautotrophs and photoheterotrophs, while chemostrophs contain two main types, namely chemoautotrophs and chemoheterotrophs. The prefix “Photo” denotes light, and the word “trophy” denotes the way to obtain food or nutrition, while the prefix “chemo” refers to the chemical. The energy source of phototrophs is mainly sunlight, but the energy source of chemotrophs is the oxidative energy of chemical compounds. Phototrophs are not capable of chemosynthesis, while chemosynthesis are competent to perform chemosynthesis. Examples of phototrophs are algae,

Comparative chart

Phototrophs Chemotrophs
Phototrophs depend on sunlight for energy. Chemotrophs depend on chemicals for energy production.
Types
Photoautotrophs or photoheterotrophs Chemoorganotrophs or Chemolithotrophs
Power source
Sunlight Oxidizing energy of chemical compounds
Energy production process
Perform photosynthesis Perform chemosynthesis
Using sunlight
Use the sunlight Can’t use sunlight
Chemosynthesis
Unable to perform chemosynthesis Capable of chemosynthesis
Examples
Plants, Algae, Cyanobacteria, Sulfur-Free Green Bacteria, Sulfur-Free Purple Bacteria, and Heliobacteria Acidithiobacillus, Nitrosomonas, Nitrobacter, ferrooxidans and Algae, are chemolithotrophs

What are phototrophs?

Phototrophs use the energy of light to produce food in the form of organic compounds. In other words, phototrophs are the organisms that depend on sunlight to make their particular food or oxidize organic molecules to provide energy for cellular functions. The prefix “Photo” denotes light, and the word “trophy” refers to the way of obtaining food or nutrition. Complex organic compounds are eventually used to strengthen cellular metabolic procedures. Photosynthesis is the main process of making protons. During photosynthesis, carbon dioxide is converted anabolically into organic material. Glucose is the original form of the organic compound produced in photosynthesis. Phototrophs use the electron transport chain or direct proton pumping to build the electrochemical gradient used in ATP synthase. ATP provides the chemical energy for cellular functions. Phototrophs are photoautotrophs or photoheterotrophs. Photoautotrophs convert carbon into simple sugars with light as an energy source. Examples of photoautotrophs are green plants, algae, and cyanobacteria. Photoheterotrophs are carbon-fixing organisms made from carbon dioxide. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Photoautotrophs convert carbon into simple sugars with light as an energy source. Examples of photoautotrophs are green plants, algae, and cyanobacteria. Photoheterotrophs are carbon-fixing organisms made from carbon dioxide. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Photoautotrophs convert carbon into simple sugars with light as an energy source. Examples of photoautotrophs are green plants, algae, and cyanobacteria. Photoheterotrophs are carbon-fixing organisms made from carbon dioxide. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, they are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Phototrophs that use chlorophyll to capture light energy, dividing water to produce oxygen, are oxygenated photosynthetic organisms. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration. Photoautotrophs are very important for the reliable functioning of most ecosystems and the existence of heterotrophs. Phototrophs are essential as they can remove carbon dioxide from the atmosphere and release oxygen into the atmosphere for animal respiration.

What are Chemotrophs?

Organisms that obtain their energy by oxidizing electron donors are known as chemotrophs, their carbon source, either inorganic carbon or organic carbon. Chemosynthesis is the main production metabolism of chemotrophs. The prefix “chemo” denotes the chemical and the word “trophy” denotes the food. These organisms depend on chemicals for energy. During chemosynthesis, carbon-containing molecules are maintained to produce organic compounds as nutrients by dissolving hydrogen or hydrogen sulfide. Chemotrophs consist of biogeochemically important taxa such as sulfur-oxidizing neutrophilic proteobacteria, iron-oxidizing bacteria, and methanogenic archaea. Organisms that come out in the dark like the oceans use chemosynthesis to make their food. Chemosynthetic bacteria are consumed by marine organisms to carry out a symbiotic relationship. Secondary producers of hydrothermal vents, methane clathrates, cold seeps, and insulating cave water are benefiting from chemotrophs. Two types of chemotrophs can be identified as chemolytotrophs, which oxidize inorganic compounds for energy. Chemoorganotrophs that oxidize organic compounds to increase their strength, and chemotrophs use electrons from inorganic chemical sources such as ammonium ions, hydrogen sulfide, ferrous ions, and elemental sulfur. Chemotrophs can also be autotrophs or heterotrophs. Chemoautotrophs can make their food by chemosynthesis. Chemoautotrophs can be identified on the ocean floor as undersea volcanoes, when released from sunlight. and the isolation of cave water benefits from chemotrophs. Two types of chemotrophs can be identified as chemolithotrophs, which oxidize inorganic compounds for energy. Chemoorganotrophs that oxidize organic compounds to increase their strength, and chemotrophs use electrons from inorganic chemical sources such as ammonium ions, hydrogen sulfide, ferrous ions, and elemental sulfur. Chemotrophs can also be autotrophs or heterotrophs. Chemoautotrophs can make their food by chemosynthesis. Chemoautotrophs can be identified on the ocean floor as underwater volcanoes, when released from sunlight. and the isolation of cave water benefits from chemotrophs. Two types of chemotrophs can be identified as chemolytotrophs, which oxidize inorganic compounds for energy. Chemoorganotrophs that oxidize organic compounds to increase their strength, and chemotrophs use electrons from inorganic chemical sources such as ammonium ions, hydrogen sulfide, ferrous ions, and elemental sulfur. Chemotrophs can also be autotrophs or heterotrophs. Chemoautotrophs can make their food by chemosynthesis. Chemoautotrophs can be identified on the ocean floor as undersea volcanoes, when released from sunlight. Chemoorganotrophs that oxidize organic compounds to increase their strength, and chemotrophs use electrons from inorganic chemical sources such as ammonium ions, hydrogen sulfide, ferrous ions, and elemental sulfur. Chemotrophs can also be autotrophs or heterotrophs. Chemoautotrophs can make their food by chemosynthesis. Chemoautotrophs can be identified on the ocean floor as undersea volcanoes, when released from sunlight. Chemoorganotrophs that oxidize organic compounds to increase their strength, and chemotrophs use electrons from inorganic chemical sources such as ammonium ions, hydrogen sulfide, ferrous ions, and elemental sulfur. Chemotrophs can also be autotrophs or heterotrophs. Chemoautotrophs can make their food by chemosynthesis. Chemoautotrophs can be identified on the ocean floor as undersea volcanoes, when released from sunlight.

Key differences

  1. Organisms that capture protons for energy are known as phototrophs, while organisms that achieve their strength by oxidizing electron donors are known as chemotrophs.
  2. The source of energy for phototrophs is primarily sunlight, but the source of energy for chemotrophs is the oxidative energy of chemical compounds.
  3. Phototrophs are photoautotrophs or photoheterotrophs, while chemotrophs are chemoorganotrophs or chemolytrophs.
  4. Most phototrophs produce photosynthesis in the opposite way, chemotrophs cannot produce photosynthesis.
  5. Phototrophs can use sunlight, on the other hand, chemotrophs cannot use sunlight.
  6. Phototrophs cannot perform chemosynthesis, while chemosynthesis can do chemosynthesis.
  7. Examples of phototrophs are green algae, cyanobacteria plants, purple non-sulfur bacteria, green non-sulfur bacteria conversely chemotrophs are nitrifiers, thermoacidophiles, methanogens, halophiles, sulfur oxidizers, animals, etc.
Final Thought

Phototrophs and chemotrophs are two leading groups of organisms that are classified based on the type of nutrition. Phototrophs create energy for their cellular processes using sunlight. Chemotrophs are incapable of using solar energy, but they depend on the energy-producing by the chemosynthesis.

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