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leaf structure

cross section of leaf and epidermis (about stomata)

QuestionAnswer
Vascular plants are a group of plants with vascular tissue or transport tissue..this tissue also gives structure and support to these plants. What are the two types of vascular tissue Xylem and Phloem ( Xylem tissue is a major support structure)
What is transported by Xylem... describe Xylem transports water from the roots to the leaves
What is transported by Phloem... describe Phloem transports food ( sugars and other organic compounds) throughout the plant ..not just from roots ( from leaves and stems to roots and from roots to leaves and stems. REMEMBER FLOWUM.... FOOD...sounds very similar
What and where is the leaf's cuticle and what is it's function it is a noncellular waxy layer on top of the epidermis layer. It helps prevent water loss ( slows evaporation) and helps prevent bacteria and other disease-causing organisms from entering a plant
Describe the epidermis of a leaf there are two epidermal layers (an upper epidermis and a lower epidermis).. they typically don't have chloroplasts and don't do photosynthesis.. their function is mainly protection ( this layer also has the cuticle mentioned on another question
What is usually found on the lower epidermis (it can be on the upper epidermis but not typically) stomata, stoma, or stomates ( all the same thing)
What are stomates ? they are pores that serve as passageways for oxygen gas, carbon dioxide gas, and water vapor
What are guard cells? they are paired cells on either side of the stomata , they contain chloroplasts and do photosynthesis in order to open or close the stomata
What leaf layer does the most photosynthesis... What leaf layer is also important for photosynthesis the palisade does the major photosynthesis. The spongy layer is also important for this purpose.. ... they both have chloroplasts seen as small dots in the cross section of a leaf
What is another function of the spongy layer other than photosynthesis It has loosely packed cells that allow the carbon dioxide , water vapor, and oxygen circulate freely
What term describes loss of water through the stomata ( water evaporating through the stomata) transpiration
What gas or gases leave the stomata oxygen and water vapor
What gas or gases enter the stomata carbon dioxide
Created by: shemehl