Answer: compound
Explanation: a molecule consists of two or more atoms. Some molecules have only one type of atom, e.g. O2, H2
Other molecules are made up of different elements and we call these compounds, e.g. H2O
âcellâ has several meanings, but whatever the meaning, it consists of billions of atoms and molecules.
âorganâ also has several meanings but is also a complex object like âcellâ.
Answer:
1. Compound
2. Cells
3. Tissues
4. Organism
5. Organ System
I am doing the test as I answer this, these are some answers I checked.