Levels of Organization. Living organisms are considered to be “highly organized” This means that they are made up of different components working together.

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Presentation transcript:

Levels of Organization

Living organisms are considered to be “highly organized” This means that they are made up of different components working together in a specific way.

We are going to learn how living organisms are highly organized.

What did both the plant and animal have in common during the virtual dissections? They were both made of smaller parts working together to form a whole.

How is a living organism a system? A living organism is made up of smaller parts working together just like a system.

Put the five cards with the largest font in order from smallest to largest.

Levels of Organization 1.Cell 2.Tissue 3.Organ 4.System 5.Organism

Cell The first level of organization The first level of organization The smallest unit of structure and function of living things The smallest unit of structure and function of living things

Tissue Second level of organization Second level of organization Groups of similar cells that perform a specific function Groups of similar cells that perform a specific function Muscle tissue Muscle tissue Lung tissue Lung tissue Heart tissue Heart tissue ground tissue in leaf

Muscle Tissue Connective Tissue Nerve Tissue Epithelial Tissue

Organ Third level of organization Third level of organization Group of different tissues working together to perform a certain task Group of different tissues working together to perform a certain task Heart Heart Lung Lung Stomach Stomach Brain Brain

System Fourth level of organization Fourth level of organization A group of organs working A group of organs working together together Skeletal system Skeletal system Circulatory system Circulatory system Muscular system Muscular system Nervous system Nervous system

Organism Fifth level of organization Fifth level of organization Combines cells, tissues, organs, and systems Combines cells, tissues, organs, and systems

Organism needs All living organisms need certain things to live All living organisms need certain things to live Obtain energy (photosynthesis and respiration) Obtain energy (photosynthesis and respiration) Eliminate waste Eliminate waste Respond to stimuli Respond to stimuli grow grow Reproduce Reproduce

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