B , Plants and and animals use this process to produce ATP
The domain of the new species of unicellular microorganism in an undersea thermal vent that lacks a nucleus is Archeae.
<h3>What is domain?</h3>
Domain in biology refers to the highest rank in the classification of organisms, above kingdom.
The three domain of organisms are as follows:
- Prokarya or Bacteria
- Archaea
- Eukarya
Members of Prokarya and Archaea do not possess a membrane-bound nucleus, however, the major difference between them is that members of domain Archaea are found in extreme habitats e.g. hot regions.
Therefore, the domain of the new species of unicellular microorganism in an undersea thermal vent that lacks a nucleus is Archeae.
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<h2>(B) is the correct option </h2>
Explanation:
- The area between 200 and 1,000 meters (656 and 3,280 feet) is the mesopelagic or “twilight” zone
- Light intensity in this zone is severely reduced with increasing depth, so light penetration is minimal
- About 20 percent of primary production from the surface falls down to the mesopelagic zone
- There are no plants in this zone, because there is not enough light for photosynthesis
- Octopus, squid, and the hatchet fish are some of the animals that can be found in this zone
- Many animals in this zone have thin bodies that help them hide from predators
- Some animals that live in this zone make their own light with bioluminescence
- They make light with special organs in their bodies called photophores which give off a greenish light