
Levels of Organization
Presentation
•
Science
•
7th Grade
•
Medium
Standards-aligned
Tiffany Moore
Used 1K+ times
FREE Resource
10 Slides • 8 Questions
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Levels of Organization
Today we are going to look at the different levels of organization and how they build upon one another.
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Life is organized into different levels based upon size (from small to large).
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Organisms and Cells
Some organisms are unicellular. This means they are made of only one cell. Ex: bacteria, yeast
Some organisms are multicellular. This means they are made of many cells. Ex: humans, trees
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5
Multiple Choice
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
organism, cell, tissue, organ, organ system
organ system, organ, tissue, cell, organism
cell, tissue, organ, organ system, organism
cell, organ, tissue, organism, organ system
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Cell
The smallest unit of life (building blocks of life)
Cells are specialized by size and shape for the job they do.
Example: nerve cell, also called a neuron
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Multiple Choice
The basic unit of structure and function of living organisms
organ
organ system
cell
tissue
organism
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Tissue
The same type of cells grouped together that are working together to do a specific job.
Ex: nerve tissue, muscle tissue
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Multiple Choice
A group of similar cells that work together to form the same function is called .......
organ
cell
organ system
organism
tissue
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Multiple Choice
What is the difference between a cell and a tissue?
cell is basic unit of life; tissue is group of cells that work as one
cell is group of tissues; tissue is basic unit of life
cell is basic unit of life; tissue is groups of different cells
cell is group of organs; tissue is group of different cells
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Organ
A bunch of tissues working together to do a job.
Ex: brain, heart
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Multiple Choice
A structure that is composed of different kinds of tissues
organ
cell
organ system
organism
tissue
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Organ System
A bunch of organs working together
Ex: nervous system, circulatory system, digestive system, etc.
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Multiple Choice
A group of organs that work together to perform a major function....
organ
cell
organ system
organism
tissue
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Organism
All cells, tissues, organs, and organ systems working together makes an organism.
Ex: human, animal
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Multiple Choice
Any living thing made up of one or more cells....
organ
cell
organ system
organism
tissue
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Levels of Organization
When we look at the levels of organization, we must remember the order in which they are listed. Cells are the basic units of life, and when cells come together they form tissues, and so on.
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Multiple Select
Please choose from the options below, which are levels of organization.
cells
organ
face
skin
tissue
Levels of Organization
Today we are going to look at the different levels of organization and how they build upon one another.
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