Saturday, 12 November 2016

HOW ARE PLANTS ORGANISED?

Plants have cells, tissues, organs and systems.

Cells:
Plant cells have a rigid cell wall. Photosynthesis takes place in leaf cells. Those cells contain a green liquid called chlorophyll and a liquid called sap that is used to make food for the plant.
Tissue:
Plant tissue is made up of many cells joined together.
Organs:
Organs are made up of tissue. A leaf is an organ.
Systems:
Systems are groups of organs and tissue that work together to carry out a function.

Roots:
The functions of the roots is absorb wter and nutrients from the soil. root cells have root hairs. As a result, the roots can absorb more water and minerals.

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