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WorksheetsLevels of organization
Total questions: 15
Worksheet time: 8mins
Which is the basic unit of life?
Organ system
Organism
Cell
Tissue
The image shows a structure inside a blue circle. Which level of organization does it belong to?
Cell
Organ system
Tissue
Organ
If you put in order the levels of organization from simplest to complex, which one comes BEFORE organs?
Organ system
Tissue
Cell
Organism
Why is a bacteria considered an organism?
It can do all the vital functions: grow, develop and reproduce.
It is made of a group of organ systems.
It is made of many cells.
It cannot survive on its own.
The pictures shows the levels of organization in a horse. Which level of organization is missing?
Organ
Tissue
Organism
Organ System
Which of the levels of organization has the following characteristics: 1. It is found only in multicellular organisms, 2. A group of them forms an organ, 3. It is made of similar cells.
Organ
Organism
Cell
Tissue
Which level of organization is represented in the image?
Cell
Organ
Tissue
Organism
Which level of organization is represented in the image?
Cell
Organ system
Organ
Tissue
Which or the following is a multicellular organism?
Tiger
Nervous system
Leaf
Bacteria
Which of the following is an example of an organ?
Digestive system
Neuron
Muscular tissue
Heart
Which of the following is an organism?
Circulatory system
Epithelial cell
Brain
Bacteria
What is the difference between unicellular and multicellular organisms?
Unicellular organisms have levels of organization and multicellular organisms don´t.
Unicellular organisms are bigger than multicellular organisms.
Unicellular organisms cannot survive on their own and multicellular organisms can
Unicellular organisms are only one cell and multicellular are made of many cells.
Are all cells in the human body the same?
Yes, all look the same.
No, they look different but they do the same function.
No, they look different because they do different functions.
There is only one type of cell.
Which of the following is an example of tissue?
Blood
Brain
Stomach
Eye
What does the eye have in common with the brain?
Both are made up of cells.
Both are organ systems.
Both are tissues.
Both are organisms.
