Term
| The three tissue systems of vascular plants |
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Definition
| Dermal, vascular and ground tissue systems. |
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Term
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Definition
| Protoderm, ground meristem, and procambium. |
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Term
| What is the region of cell division of the root tip ? |
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Definition
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Term
| What are the primary meristems ? |
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Definition
| Protoderm, ground meristem, and procambium |
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Term
| In a hypogeous germination the _______will emerge above the ground first. |
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Definition
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Term
| What is the embryonic shoot called ? (the first bud) |
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Definition
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Term
| The stemlike axis below the cotyledons is known as __________. |
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Definition
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Term
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Definition
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Term
| Where are the apical meristems found ? |
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Definition
| At the tips of all roots and stems. |
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Term
| What is the primary tissue of the Protoderm ? |
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Definition
| Epidermis (dermal tissue system) |
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Term
| What is the primary tissue of the of ground meristem ? |
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Definition
| Ground Tissues (Parenchyma,collenchyma,sclerenchyma) |
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Term
| What is the primary tissue of the procambium ? |
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Definition
| Primary xylem and phloem (vascular tissue system) |
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Term
| The procambium is the precursor for _____ |
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Definition
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Term
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Definition
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Term
| Colerhiza and coleptile are ____ |
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Definition
| Sheathlike protective structures. |
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Term
Parenchyma cells-
Do they live at maturity ?
Do they have secondary cell wall?
What role do they play ? |
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Definition
| Yes they are alive,no secondary cell wall, they regenerate and aid in wound healing. |
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Term
| What does the mesophyl contain ? |
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Definition
| Palisade and spongy parenchyma |
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Term
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Definition
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Term
Collenchyma Tissue-
Alive at maturity ?
Secondary cell wall ?
Function ? |
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Definition
| Alive at maturity, no secondary wall, support growing organs. usually beneath epidermis |
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Term
Sclerenchyma
Alive at maturity ?
Secondary cell wall ?
FUnction ? |
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Definition
| Usually dead at maturity, secondary wall (thick/hard), supports structure for parts not elongating. |
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Term
| What are the two types of sclerenchyma tissues ? |
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Definition
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Term
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Definition
-Sclerenchyma tissue
-long, slender cells , occur in strands |
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Term
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Definition
-Sclerenchyma tissue
-often branched, short cells.
-make up seed coats, shells, (endocarp) of fruits. |
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Term
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Definition
| Conducts water from root. |
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Term
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Definition
| Conduct sugar , amino acids, lipids, hormones. |
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Term
| Sieve tube elements are located ____ |
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Definition
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Term
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Definition
| Are parenchyma cells, increase surface area in the membrane. facilitate movement of solutes over short distances. |
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Term
| How do sclerids differ from fiber ? |
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Definition
sclerid are very long, often are dead, associated with xylem and phloem. they support and store.
fibers- variable shapes, may be living or dead located througout the plant . Mechanical, protective. |
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Term
| developmental and functional relationship between seive tube element and companion cells |
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Definition
| Derived from the same mother cell. Numerous plasmodematal connections, companion cells play a role in delivery of substances to seive tubes. |
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