Which organism is made up of a cell that does not contain a membrane enclosed nucleus?
a. grass
b. amoeba
c. cockroach
d. methanogen

The organisms is D. Methanogens

Prokaryotes are the organism which is made up of a cell that does not contain a membrane enclosed nucleus. They have a structure called as nucleiod which looks like a thread in appearance. The eukaryotes are the organism which has membrane bound nucleus.

Among the given list of organism in the options, Methanogens are microorganisms that produce methane as a metabolic result in hypoxic conditions. They are prokaryotic and have a place with the space of archaea.  

Apart from this, amoeba, grass and cockroach have membrane bound nucleus.

plant because they survive by water, sunlight, ex.

explanation:

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