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What is the important relationship between form and function in plants: |
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Definition
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The features of roots are: |
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Definition
- Carbohydrate storage - Anchor to substrate - Absorb water and minerals - Pneumatophores - Symbiotic mycorrhizae |
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Definition
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What is the advantage of many roots? |
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Definition
large surface are for better access to water and minerals and better hold to the substrate. |
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Definition
Symbiotic relationship between fungi and roots. |
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Definition
Roots that project out of the water to access oxygen for plants submerged in water. |
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What are the functions of stems? |
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Definition
- Food storage - Aerial support for leaves, flowers and fruits. - Asexual reproduction |
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What are some examples of evolutionary adaptations of stems? |
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Definition
Rhizomes, bulbs, stolons, tubers. |
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What are two important features of stems? |
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Definition
Apical bus and axillary buds. |
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Term
Apical buds are located... |
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Definition
At the tip of the shoot or branch. |
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Term
Axillary buds are located... |
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Definition
Along a shoot or branch, behind or below the apical bud. |
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Term
What are the functions of leaves? |
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Definition
- Energy harvesting through photosynthesis - Modified for sexual or asexual reproduction. |
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Term
What are leaves modified into for sexual reproduction? |
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Definition
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What are examples of what leaves are modified into for asexual reproduction? |
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Definition
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Term
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Definition
- Parenchyma - Collenchyma - Sclerenchyma |
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Term
What do parenchyma cells do? |
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Definition
Perform most of plant metabolic functions. |
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Term
What are two examples of plant metabolic functions that parenchyma cells perform? |
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Definition
Photosynthesis and starch storage. |
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Term
What are the cell walls of parenchyma cells like? |
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Definition
Relatively thin and flexible. |
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Term
What do collenchyma cells do? |
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Definition
Support young stems and petioles. |
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Term
What are the cell walls of collenchyma like? |
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Definition
Thicker than perenchyma, but relatively flexible. |
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Term
What do Sclerenchyma cells do? |
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Definition
Support parts of the plant. |
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Term
What are the cell walls like in sclerenchyma cells? |
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Definition
Rigid due to containing abundant lignan. |
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Term
Which kind of cell are dead at maturity? |
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Definition
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Term
What are the two major subtypes of tissue in plants? |
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Definition
Dermal and vascular tissue. |
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Definition
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What are examples of dermal tissue? |
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Definition
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Definition
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Definition
Reduce dessication (extreme dryness) |
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Definition
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Definition
Deter herbivory and reduce moisture loss |
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What are the subtypes of vascular tissue? |
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Definition
Xylem, phloem and ground tissue |
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Term
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Definition
Conducts water and minerals. |
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Term
Xylem tissue is made of what? |
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Definition
Tracheid and vessel element cells. |
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Term
Which kind of vascular tissue is dead at functional maturity? |
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Definition
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Definition
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Term
Phloem tissue is made of what? |
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Definition
Sieve cells and sieve tubes. |
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Term
What does ground tissue do? |
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Definition
Carries out metabolic functions. |
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Term
What kind of cells does ground tissue include? |
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Definition
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Definition
Region where tissue is actively dividing undifferentiated cells |
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Term
What are the types of meristems? |
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Definition
Apical and Lateral Meristems |
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Term
Apical Meristems produce what kind of growth? |
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Definition
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Term
What is the name of the growth produced by Apical Meristems? |
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Definition
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Term
Where are apical meristems found? |
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Definition
Apical buds, axillary buds and root tips |
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Term
Lateral Meristems produces what kind of growth? |
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Definition
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Term
What is the name of the growth produced by Lateral Meristems? |
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Definition
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Term
What are the subtypes of lateral meristems? |
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Definition
Vascular and cork cambium |
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Term
Vascular Cambium does what? |
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Definition
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Definition
Replaces outer epidermis with more protective periderm |
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What is the periderm a part of? |
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Definition
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Definition
Ground tissue interior to vascular tissue. |
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Definition
Ground tissue exterior to vascular tissue |
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Term
Where does Vascular Cambium generate secondary xylem and phloem? |
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Definition
Secondary Xylem is generated to the inside and secondary phloem to the outside. |
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Term
Vascular cambium includes what indication of age? |
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Definition
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Term
Growth rings are included in what part of a tree? |
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Definition
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Term
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Definition
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Term
The common name wood is named in a more specific fashion as... |
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Definition
Secondary xylem within the vascular cambium. |
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Definition
All tissue exterior to the vascular cambium. |
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Term
What is bark considered a part of? |
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Definition
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Definition
Newer secondary Xylem that continues to transport water and minerals |
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Term
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Definition
Older secondary xylem that does not transport water and minerals |
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Term
What happens to older phloem tissue as it diameter grows? |
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Definition
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Term
What kind of tissue ruptures as diameter grows |
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Definition
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Term
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Definition
Pore-like openings in some roots and stems to enable gas exchange. |
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Term
What do lenticels create? |
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Definition
More space between cork cells |
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Term
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Definition
Site of previous year's apical bud. |
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Definition
Site of previous year's leaf |
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Definition
The point on the stem where the axillary bud or leaf scar are located. |
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Definition
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Definition
When the apical bud inhibits growth of axillary buds |
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Term
Why does apical dominance happen? |
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Definition
To compete for sunlight with surrounding plants. |
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Term
Animals browsing or pruning increases ________________ and leads to a ________________ |
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Definition
Animal browsing or pruning increases axillary growth and leads to a more bushy form. |
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Term
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Definition
What protects apical meristem tissue in the roots. |
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Term
What aids in root growth? |
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Definition
A polysaccharide slime that lubricates the tip and root caps. |
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Definition
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Definition
Regulates opening and closing of each stoma |
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Term
What is the singular form of stomata? |
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Definition
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Term
How do guard cells regulate stoma? |
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Definition
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Definition
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Term
What composes the mesophyll? |
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Definition
Palisade layer, Spongy layer and vascular tissue (Xylem and Phloem). |
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Term
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Definition
Tightly packed elongated parenchyma cells |
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Term
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Definition
Loosely packed parenchyma cells with greater air space. |
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Term
The palisade layer and the spongy layer are both... |
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Definition
photosynthetic ground tissue. |
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Term
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Definition
Complete life cycle in one year. |
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Definition
Complete life cycle in two years |
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Definition
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What are examples of perennials? |
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Definition
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