Levels of Organization

Learn biology's levels of organization! From cells to systems.

First, let's look at some important terms to know: ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Now, we will look at how these different units work together to make up an organism... ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Levels of Organization Watch this video, copy and paste it in a new tab. in the blanks below. For the following, fill in the blanks to demonstrate levels of organization from simplest to most complex:1. cells, tissue, organ, organ system, organism2. nerve cells, nerve tissue, brain, nervous system, cat3.skeletal cells, skeletal tissue, skull, skeletal system, gorilla ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Match the word with its definition tissue group of similar cells that perform the same function. organ a body structure composed of different kinds of tissues that work together. organ system a group of organs that work together performing major functions. cell the basic unit of structure and function in living things What goes in the box? organ tissue organ system organism Use this picture to answer the next 4 questions.1) Which box shows the tissue level or organization? P Q R S 2. Which box shows the organ level of organization? P Q R S 3. Which box shows the simplest level of organization? P Q R S 4. Which box shows an organ system? P Q R S The table shows four levels of organization within the human body.What is the correct order from the lowest to the highest organizational level? cell → circulatory system → heart → heart tissue cell → heart tissue → heart → circulatory system circulatory system → cell → heart → heart tissue heart → cell → circulatory system → heart tissue Which diagram represents the lowest level of organization within an organism?