Leaves organs of compromise
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Leaves-Organs of Compromise. Important traits a leaf must possess. A. Formula for photosynthesis 1. broad flat and thin 2. chloroplasts closes to sun 3. moist exchange surfaces 4. openings to allow gas in and out 5. ample water 6. system for product export.

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Important traits a leaf must possess
Important traits a leaf must possess

  • A. Formula for photosynthesis

  • 1. broad flat and thin

  • 2. chloroplasts closes to sun

  • 3. moist exchange surfaces

  • 4. openings to allow gas in and out

  • 5. ample water

  • 6. system for product export


B consequences of design needs
B. Consequences of design needs

  • 1. fragile

  • 2. susceptible to predation

  • 3. easily dessicated

  • 4. structures that we will see are compromises between habitat that leaf is found in and the traits mentioned above


Ii examples of leaves
II. Examples of leaves

  • A. Design Ligustrum leaf



B zea leaf
B. Zea leaf

  • 1. Growth characteristics

  • a. Vertical nature of plant

  • b. Hot dry sunny conditions

  • c. Difference between monocots and dicots

  • 2. Leaf structure



C pinus needle
C. Pinus needle

  • 1. Growth conditions

  • 2. Structure of needle



What environment might the plant that possesses this leaf occupy
What environment might the plant that possesses this leaf occupy?

  • Desert

  • High altitude mountain

  • Aquatic floater

  • Temperate forest


Iii examples of stems
III. Examples of stems occupy?

  • A. Dicot annual

  • Medicago



Higher power
Higher power occupy?


B dicot perennial
B. Dicot perennial occupy?

  • Tilia


Tilia stem
Tilia stem occupy?


C zea stem
C. Zea Stem occupy?


Zea stem
Zea stem occupy?


Zea stem1
Zea stem occupy?


Iv examples of roots
IV. Examples of roots occupy?

  • A. Dicot root Ranunculus





B zea root
B. Zea root occupy?


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