Clostridium, Bacteroides, and the methane-producing archaea (methanogens), are called obligate anaerobes because their energy-generating metabolic processes are not coupled with the consumption of oxygen.
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the answer to your question is A. Warmth = melting ice = more water = rising sea levels.
The vas deferens <span>transports sperm from the epididymis to the ejaculatory ducts. Hope this helps!</span>
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One beneficial result of a cell having a larger surface area is its ability to cover more area increasing the likely hood of nutrients coming in contact with the cell membrane. Which in turn will increase the rate at which nutrients diffuse through the cell membrane.
<span>Along North American coasts, the algae responsible for formation of kelp-beds is Brown Algae. The brown algae (such as seaweed) forms an important part of the ecosystem in marine environments as both a food source and habitat. The formation and structure of the brown algae varies from environment, kelp beds and forests are harvested for human consumption.</span>
