Question

1. put the following terms in order from simplest to most complex: molecule, organ system, tissue, cell, organism, atom, organ

Explanation:

Step1: Recall basic biological levels

Atoms are the simplest units of matter.

Step2: Understand molecule composition

Molecules are made up of atoms.

Step3: Know cell structure

Cells are made of various molecules and are the basic unit of life.

Step4: Comprehend tissue formation

Tissues are groups of similar cells.

Step5: Grasp organ structure

Organs are made up of different tissues.

Step6: Understand organ - system concept

Organ systems are groups of organs working together.

Step7: Know organism definition

An organism is a complete living entity made up of organ systems.

Answer:

Atom, Molecule, Cell, Tissue, Organ, Organ System, Organism