Plants transport water and nutrients through specialized tissues. The xylem transports water and minerals from the roots throughout the plant. The phloem transports food in the form of sugars from leaves to other plant parts. Animals require more nutrients and have a complex circulatory system to distribute oxygen, nutrients, and remove waste. The circulatory system includes the heart, blood vessels, and blood, which transports oxygen, nutrients to cells and removes carbon dioxide and waste.
AMERICAN LANGUAGE HUB_Level2_Student'sBook_Answerkey.pdf
Plant & Animal Transport Systems
1. TRANSPORTATION IN PLANTS AND
ANIMALS
Plant Transport System
Compared to animals, most plants are less complex and require
less food and water to survive. A plant takes in water and dissolved
nutrients from the soil via the roots. These substances are then
carried into specialized tissues in the plant stem that act as a route
for the water and nutrients to be carried to various parts of the
plant, such as the leaves, flowers and fruits. Food from various
sites is also distributed to different organs via another tissue of the
plant’s transport system.
3. TRANSPORTATION IN PLANTS AND
ANIMALS
Plant's Xylem
The xylem is the specialized plant tissue that is responsible
for carrying water and dissolved minerals taken in from the
roots. It makes up a large part of a plant’s stem, especially
in woody plants where the xylem has matured into a tree
trunk. Individual cylindrical vessels connected together
make up the xylem, resulting to a continuous duct that
conducts inorganic ions dissolved in water into various
plant parts where they are needed.
5. TRANSPORTATION IN PLANTS AND
ANIMALS
• Plant's Phloem
• Translocation is the process of transporting food from
the leaves—the plant’s sites for photosynthesis or
"food manufacturing." The structure responsible for
this process of translocation is the phloem, which is
made up of cells that control the passage of food in the
form of sugars from the leaves into different parts of
the plant. The phloem is positioned just outside the
xylem.
•
8. TRANSPORTATION IN PLANTS AND
ANIMALS
• Animals' Circulatory System
• Animals are more complex creatures and require more food and
nutrients because they are able to move about. Nutrients, together
with oxygen and water, are necessary for proper survival of the
organism. Once nutrients are broken down by the digestive system
and are absorbed, they need to be distributed to various organs and
tissues in the body to replace energy being expended. Oxygen is
also needed by the animal body for various cellular processes and
activities. An animal’s circulatory system is the main transport
system in the body and is one of the keys that make all other bodily
functions possible.
10. TRANSPORTATION IN PLANTS AND
ANIMALS
• Circulatory System Process
• An animal’s circulatory system consists of the heart, blood vessels—
arteries, veins and capillaries—and the blood. The heart is the
pump that pushes the blood to move along the arteries and veins.
Blood from the heart and lungs usually passes through the arteries
and carries with it oxygen and nutrients to be distributed into the
many organs and cells via smaller blood vessels called the
capillaries. After distribution of these nutrients, the blood goes into
the veins and takes with it waste products, like carbon dioxide and
other chemical wastes, to be eliminated via the organs responsible
for proper waste excretion.