With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the ?

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Various tissue types combine to make up__________?

A. Cells B. Organs C. Organ System D. Organelles...

Which is an organic compound found in most cells ?

A. Water B. Glucose C. Oxygen D. Sodium chloride...

Lactometer is used for__________?

A. Ship B. Milk C. Honey D. None...

Bacteria which grow either in the presence or absence of oxygen___________?

A. Aerobic bacteria B. Anaerobic bacteria C. Facultative bacteria D. Microaerophilic...

Humming bird is an example of________________?

A. Cold blooded animal B. Ectotherm C. Endotherm D. Heterotherm...