What plants use chemosynthesis

These bacteria are known as extremophiles.

What Are Autotrophs?

This means that they thrive in conditions that are too hostile for most other species. It's not just bacteria at the bottom of the ocean.

Weird and wonderful animals feed on the bacteria, and on each other! Tube worms, found surrounding hydrothermal vents, let the extremophile bacteria live inside them.

How Organisms Get Food

These bacteria provide nutrients for the tube worm and the tube worm provides hydrogen sulphide for the bacteria. It's a good example of symbiosis: a relationship between two organisms where both of them benefit. Loads more species have been discovered in the deep ocean since these hydrothermal vents were found.

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These include crabs, eyeless shrimp and even an Eel City:. Or view the video in YouTube. Planet Science. Advanced Search. Under 11s.

Autotrophs and Heterotrophs ( Read ) | Biology | CK Foundation

Methanopyrus kandleri is a heat- and salt-loving species of Archaea that makes its home on the chimney walls of smokers. It harvests energy from hydrogen gas and releases methane, a process known as methanogenesis.

Hydrogen sulfide is highly toxic to most animals, including people. However, animals at hydrothermal vents have special biochemical adaptations that protect them from hydrogen sulfide. One of these hydrogen sulfide-making species is Pyrolobus fumarii or "fire lobe of the chimney" , that was first isolated from a hydrothermal vent at the Mid-Atlantic Ridge.

Pyrodictium abyssi are disc-shaped cells that grow attached to networks of hollow tubes that resemble tree roots. Green sulfur bacteria are unique among hydrothermal vent bacteria because they require both chemical energy from hydrogen sulfide and light energy to survive.

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Green sulfur bacteria contain chlorosomes, organelles that are so efficient at harvesting light that green sulfur bacteria can grow at much lower light intensities than other light-requiring microbes. There is no sunlight at hydrothermal vents, and instead they capture energy from the weak radioactive glow emitted from geothermally heated rock. Extremophiles might have been among the earliest life forms on earth and have possible uses in industry.

The oxygen produced is released into the air from the leaves. The glucose produced can be turned into other substances, such as starch and plant oils, which are used as an energy store.

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This energy can be released by respiration. The relationship between photosynthesis and respiration. What is photosynthesis? These are the things that plants need for photosynthesis: carbon dioxide water light a source of energy These are the things that plants make by photosynthesis: glucose oxygen Here is the word equation for photosynthesis: curriculum-key-fact.