PLANT STRUCTURE AND GROWTH · 16/10/2018  · PLANT STRUCTURE AND GROWTH. LEARNING OBJECTIVES 1....

PLANT STRUCTURE AND GROWTH

LEARNING OBJECTIVES 1.  Analyze how the structures of a plant and its adaptations

contribute to its survival 2.  Explain the basic concepts of plant growth 3.  Identify some applications of plant growth

Campbell, Ch 35.1-35.2

LEARNING OBJECTIVES 1.  Analyze how the structures of a plant and its adaptations

contribute to its survival 2.  Explain the basic concepts of plant growth 3.  Identify some applications of plant growth

Campbell, Ch 35.1-35.2

PLANT STRUCTURE

1 Plant Science Plant Structures Instructional Materials Service Texas A&M University - 8384 -. Publish Brisa Culverwell

ROOTS

1.  What are the 2 main functions of the root?

2.  How do these functions help the plant survive?

3.  How are roots structured to optimize their function?

5

STEM

1 Plant Science Plant Structures Instructional Materials Service Texas A&M University - 8384 -. Publish Brisa Culverwell

1.  What are the 2 main functions of the stem?

2.  How do these functions help the plant survive?

3.  How are stems structured to optimize their function?

LEAVES

https://www.carlsonstockart.com/

1.  What are the 2 main functions of the leaf?

2.  How do these functions help the plant survive?

3.  How are leaves structured to optimize their function?

LEAF ANATOMY

https://www.thoughtco.com/plant-leaves-and-leaf-anatomy-373618

1.  How does the palisade mesophyll contribute to the plant’s survival?

2.  H o w i s t h e p a l i s a d e mesophyll structured to optimize its function?

3.  How does the spongy mesophyll contribute to the plant’s survival?

4.  H o w i s t h e s p o n g y mesophyll structured to optimize its function?

5.  What other leaf structures regulate gas exchange? How?

ROOT ADAPTATIONS

commons.wikimedia.org

prop roots

buttress roots

aerial roots

gardenguides.com

clasping roots

storage roots veganobchod.cz

respiratory roots www.flickr.com

kimstaceyks.blogspot.com

kimstaceyks.blogspot.com

1.  What has been modified in each type of root? 2.  How does this modification help the plant adapt better?

STEM ADAPTATIONS

stolon cladode tendril thorn

rhizome bulb corm tuber 1.  What has been modified in each type of stem? 2.  How does this modification help the plant adapt better?

LEAF ADAPTATIONS

spines tendril bract insect trapping

1.  What has been modified in each type of leaf? 2.  How does this modification help the plant adapt better?

LEARNING OBJECTIVES 1.  Analyze how the structures of a plant and its adaptations

contribute to its survival 2.  Explain the basic concepts of plant growth 3.  Identify some applications of plant growth

Campbell, Ch 35.1-35.2

PLANT GROWTH

Irreversible permanent increase in size Characteristics:

•  indeterminate

•  measurable

PLANT GROWTH

primary

all plants

growth in length

apical meristem

secondary

woody plants

growth in width

lateral meristem

PRIMARY GROWTH

www.boundless.com

increase in cell number

increase in cell length

cell differentiation

SECONDARY GROWTH

https://www.boundless.com

LEARNING OBJECTIVES 1.  Analyze how the structures of a plant and its adaptations

contribute to its survival 2.  Explain the basic concepts of plant growth 3.  Identify some applications of plant growth

Campbell, Ch 35.1-35.2

PLANT PROPAGATION

https://study.com/academy/lesson/vegetative-propagation-in-plants-definition-methods-examples.html

HISTORICAL EVIDENCE

http://savethewater.org/