An organism is found living in deep sea rifts where the water temperature is above 100°C. This organism is not photosynthetic and does not have a membrane-bound nucleus. However, it does contain a cell wall. In which clade does this organism most likely belong?
A.
fungi
B.
plants
C.
archaea
D.
animals

It is D. archaea.

Explanation:

First of all, archaea are prokaryotes, therefore they have no membrane-bound organelles. Also, they are known for living in extremes areas, such as water above 100 degrees Celsius.

the trilobite is used as an index fossil for various geologic time periods as specific types of the trilobites were present in different geological time periods. they are a group of marine arthropods belonging to the class of trilobita.

explanation: