When scientists classify living things, they do not include viruses. this is because viruses

Answer & explanation:

Viruses are not considered to be living beings, as they do not belong to any of the five kingdoms that classify organisms, and are not made up of cells. Viruses are primarily proteinaceous particles that carry nucleic acid (DNA, RNA or both) in small quantities.

In addition, viruses have no metabolic activity, such as using energy or capturing nutrients, without infecting a living host cell, subverting their metabolism to produce more viruses.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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