Download presentation

Presentation is loading. Please wait.

Published byJayden Carley Modified over 2 years ago

1
**EQ: How do I describe the function of the stems and roots?**

Page Number Topic Date Stems and Roots April 19 EQ: How do I describe the function of the stems and roots?

2
**EQ: How do I describe the function of the stems and roots?**

Two important functions Carries substances between roots and leaves Supports plant so leaves are exposed to the sun EQ: How do I describe the function of the stems and roots?

3
**Structure of a Stem Two types of stems**

Herbaceous – soft and flexible Woody-hard and rigid Both types contain phloem and xylem

4
**EQ: How do I describe the function of the stems and roots?**

Woody Stems EQ: How do I describe the function of the stems and roots? Bark - added layer of protection Heartwood – inner layers for additional support

5
**EQ: How do I describe the function of the stems and roots?**

Layers of a Woody Stem Bark Phloem Cambium -cells that produce new phloem and xylem Active xylem Heartwood- inactive xylem Pith – center of stem, stores food and water in young trees EQ: How do I describe the function of the stems and roots?

6
**EQ: How do I describe the function of the stems and roots?**

Annual Rings Represent one year in a tree’s growth Made of xylem Light rings grow in spring Dark rings grow in summer Two rings together make one year’s growth EQ: How do I describe the function of the stems and roots?

7
**EQ: How do I describe the function of the stems and roots?**

Anchor plants Absorb water and nutrients EQ: How do I describe the function of the stems and roots?

8
**EQ: How do I describe the function of the stems and roots?**

Types of Roots EQ: How do I describe the function of the stems and roots? 2 types Taproot – long thick root with thin roots branching off – carrot, radish, dandelion, cactus Fibrous- several main roots that branch repeatedly – lawn, corn, trees

9
**EQ: How do I describe the function of the stems and roots?**

Structure of Root Root cap – contains dead cells, protects root from injury Dividing cells – cause root to lengthen Root hairs – grow out of root surface – increases the surface area of the roots Cambium Vascular tissue in center EQ: How do I describe the function of the stems and roots?

Similar presentations

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google