Transport

Transport is the process of moving things from one place to another. In the context of science, transport refers to the movement of materials such as water, nutrients, and gases within living organisms, as well as the movement of substances in and out of cells and across cell membranes.

Types of Transport

There are different types of transport in living organisms:

• Passive Transport: This is the movement of substances across a cell membrane without the use of energy. It includes diffusion, osmosis, and facilitated diffusion.
• Active Transport: In contrast to passive transport, active transport requires the cell to expend energy to move substances across the cell membrane. This process is essential for maintaining concentration gradients and transporting substances against their concentration gradient.
• Transport in Plants: Plants have specialized tissues and structures for transporting water, nutrients, and other substances. The xylem and phloem are responsible for transporting water and nutrients within a plant.
• Transport in Animals: Animals have circulatory systems that are responsible for transporting materials such as oxygen, nutrients, and waste products throughout the body. The circulatory system includes the heart, blood vessels, and blood.

Study Guide

Here are some key points to focus on when studying the topic of transport:

1. Understand the difference between passive and active transport and be able to provide examples of each.
2. Explain the processes of diffusion, osmosis, and facilitated diffusion, and understand the factors that affect these processes.
3. Describe the structure and function of the xylem and phloem in plants, and how they are involved in the transport of water and nutrients.
4. Examine the components and functions of the circulatory system in animals, including the roles of the heart, blood vessels, and blood.
5. Discuss the importance of transport in maintaining the internal environment of living organisms and supporting their survival.

Remember to use diagrams, illustrations, and real-life examples to enhance your understanding of transport in living organisms.

[Transport] Related Worksheets and Study Guides:

• Cell TransportScience • Sixth Grade
• Trade and TransportationSocial Studies • Third Grade