Readers ask: Mussels That Live Near A Deep-sea Vent Are In Symbiosis With What Bacteria?

Do mussels eat bacteria?

Diet: Mussels filter their food out of the water. They eat algae, bacteria, and other small, organic particles filtered from the water column. Life history: The larvae of these mussels are parasites on the gills and fins of freshwater fishes, including darters, minnows and bass.

What are vent mussels?

Mussels. Mussels are very late to colonize hydrothermal vent sites. They clump together in cracks in the seafloor. Symbiotic bacteria live in the mussels ‘ gills. Like the microbes living inside tubeworms, these bacteria use energy from chemicals in the vent fluids to produce sugars.

How do bacteria survive in hydrothermal vents?

The food chain at these ocean oases relies on a core process called chemosynthesis, which is carried out by bacteria. This is similar to photosynthesis used by plants on land, but instead of using light energy from the Sun, the bacteria use chemicals drawn from the vent fluid.

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Why do you think most of these hydrothermal bacteria dwell inside the body of sea floor animals like mussels What are the beneficial impacts brought by these two species to each other?

Scientists discovered that mussels rely on a close, living relationship—a “symbiosis”—with bacteria for their nutrition. In this symbiosis, bacteria use chemicals from the hydrothermal fluid and seawater to produce organic compounds, while the mussels provide the bacteria with essential compounds and protection.

Is mussels good for health?

Mussels are a clean and nutritious source of protein, as well as being a great source of omega 3 fatty acids, zinc and folate, and they exceed the recommended daily intake of selenium, iodine and iron. Mussels are sustainably farmed with no negative impact to the environment.

How long do mussels live for?

Although some mussels can live for up to 50 years, the brown mussel that we find along the east coast of SA only lives about 2 years.

Do mussels do chemosynthesis?

Despite the absence of light-driven primary production in these deep-sea ecosystems, mussels succeed reaching high biomasses in these harsh conditions thanks to chemosynthetic, carbon-fixing bacterial symbionts located in their gill tissue.

What is the diet of the Pink vent fish?

The pink vent fish is at the top of the food chain here, but prefers to go after the smallest prey. While it mostly eats the tiny limpets that attach themselves to the tube worms, this fish will also eat amphipods, copepods, and the occasional snail.

Why are Tubeworm plumes red?

Plume The plume is bright red because it is filled with blood. The plume filters oxygen, hydrogen sulfide, and carbon dioxide from the seawater. Like human blood, tube worm blood contains hemoglobin, a protein that carries oxygen. It is the hemoglobin that turns the blood red.

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What type of bacteria live in deep sea vents?

Major types of bacteria that live near these vents are mesophilic sulfur bacteria. These bacteria are able to achieve high biomass densities due to their unique physiological adaptations.

What type of bacteria live in hydrothermal vents?

Bacterial Diversity. The most abundant bacteria in hydrothermal vents are chemolithotrophs. These bacteria use reduced chemical species, most often sulfur, as sources of energy to reduce carbon dioxide to organic carbon.

What kind of bacteria live in hydrothermal vents?

Green sulfur bacteria are unique among hydrothermal vent bacteria because they require both chemical energy (from hydrogen sulfide) and light energy to survive.

Why are deep sea animals Red?

Red light is quickly filtered from water as depth increases and red light effectively never reaches the deep ocean. When struck by white light, a red fish at the surface reflects red light and absorbs all other colors and thus appears red.

How old are hydrothermal vents?

Many scientists think life got its start around 3.7 billion years ago in deep-sea hydrothermal vents.

What is the relationship between thermocline and hydrothermal vents?

Hydrothermal vents provide both a thermocline and a chemocline; the areas closer to the vent are both hotter and more chemically rich, while areas further from the vent are cooler and less chemically rich.

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