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| 8099702685 | Organ | consists of several types of tissues that together carry out particular functions. | 0 | |
| 8099702686 | Tissue | a group of cells consisting of one or more cell types that together perform a specialized function. | 1 | |
| 8099702687 | Three Basic Plant Organs | Roots, stems, and leaves. They are organized into a root system (roots) and a shoot system (stems and leaves). | 2 | |
| 8099702688 | Taproot | develops from the primary root and prevents the plant from toppling. | 3 | |
| 8099702689 | Lateral Root | are responsible for absorption | 4 | |
| 8099702690 | Adventitious Root | arise from the stems or leaves. | 5 | |
| 8099702691 | How do plants mainly absorb water? | In most plants, absorption of water and minerals occurs near the tips of roots. | 6 | |
| 8099702692 | Root Hair | Near the root tip increases the surface area of roots. | 7 | |
| 8099702693 | Axillary Bud | is a structure that has the potential to form a lateral branch, thorn, or flower. | 8 | |
| 8099702694 | Leaf | main photosynthetic organ of most vascular plants | 9 | |
| 8099702695 | Blade | flat part of leaf | 10 | |
| 8099702696 | Peticle | stalk that connects the leaf blade to the node of the stem | 11 | |
| 8099702697 | Veins | Monocots-parallel veins Eudicots-branching veins | 12 | |
| 8099702698 | Dermal, Vascular, and Ground Tissues. | Each plant organ has these, each of these three categories form a tissue system. Each tissue system is continuous throughout the plant. |  | 13 |
| 8099702699 | Dermal Tissue System | consists of the epidermis in nonwoody plants | 14 | |
| 8099702700 | Periderm | in woody plants this replaces epidermis in older regions of the epidermis | 15 | |
| 8099702701 | Phloem | transports sugars from where they are made to where they are needed. | 16 | |
| 8099702702 | Xylem | Xylem conducts water and dissolved minerals upward from roots into the shoots. | 17 | |
| 8099702703 | Parenchyma | ; have thin and flexible primary walls, lack secondary walls, are the least specialized, perform the most metabolic functions, retain the ability to divide and differentiate. | 18 | |
| 8099702704 | Sclerenchyma | cells are rigid because of thick secondary walls strengthened with lignin an indigestible strengthening polymer. They are dead at functional maturity. There are two types. Sclereids are short and irregular in shape and have thick lignified secondary walls. Fibers are log and slender and arranged in threads. | 19 | |
| 8099702705 | Collenchyma | grouped in strands and help support young parts of the plant shoot; thicker and uneven cell walls; provide flexible support w/o restraining growth | 20 | |
| 8099702706 | Apical Meristem | Are located at the tips of roots and shoots. They elongate shoots and roots, a process called primary growth. | 21 | |
| 8099702707 | Meristem | perpetually embryonic tissue and allow for indetermintate growth | 22 | |
| 8099702708 | Lateral Meristem | They add thickness to woody plants, a process called secondary growth. | 23 | |
| 8099702709 | Vascular Cambium | adds layers of vascular tissue called secondary xylem(wood) and secondary phloem | 24 | |
| 8099702710 | Cork Cambium | replaces the epidermis with periderm, which is thicker and tougher | 25 | |
| 8099702711 | Initials | stem cells, remain in meristems | 26 | |
| 8099702712 | Derivatives | become specialized in mature tissue | 27 | |
| 8099702713 | root tip | covered by root cap, which protects the apical meristem as it pushes through the soil | 28 | |
| 8099702714 | endodermis | intermost layer of the cortex | 29 | |
| 8099702715 | Determinate Growth | Some plant organs cease to grow at a certain size | 30 | |
| 8099702716 | Three Zones of Root Growth | Zone of cell division, Zone of elongation, Zone of differentiation, or maturation. | 31 | |
| 8099702717 | Zone of Cell Division | Includes the root apical meristem and its derivatives. New root cells are produced in this region, including cells of the root cap. | 32 | |
| 8099702718 | Indeterminate Growth | A plant can grow throughout its life. | 33 | |
| 8099702719 | Zone of Elongation | Typically, a few millimeters behind the tip of the root is the zone of elongation, where most of the growth occurs as root cells elongate— sometimes to more than ten times their original length. Cell elongation in this zone pushes the tip farther into the soil. Meanwhile, the root apical meristem keeps adding cells to the younger end of the zone of elongation. Even before the root cells finish lengthening, many begin specializing in structure and function. | 34 | |
| 8099702720 | Cell of Differentiation | Cells complete their differentiation and become distinct cell types. | 35 | |
| 8099702721 | Lateral Root | Arise from within the pericycle, the outer most cell layer in the vascular cylinder. | 36 | |
| 8099702722 | Palisade Mesophyll | Mesophyll, the ground tissue in a leaf, which is sandwiched between the upper and lower epidermis. It is in the upper part of the lead. | 37 | |
| 8099702723 | Spongy Mesophyll | Mesophyll, the ground tissue in a leaf, which is sandwiched between the upper and lower epidermis. It is in the lower part of the leaf; the loose arrangement allows for gas exchange. | 38 | |
| 8099702724 | Secondary Phloem and Xylem | Division of these cells (meristematic cells) increases the vascular cambiums circumference and adds secondary xylem to the inside and secondary phloem to the outside. | 39 | |
| 8099702725 | stomata | pores that allow the flow of CO2 and O2 between air and the leaf | 40 | |
| 8099702726 | Guard Cells | 2 flank each stomata and regulate the opening and closing | 41 | |
| 8099704862 | 42 |
