23-2 ROOTS
Botany Foldable Work for 23-2 ROOTS
*** 2 Tab
OUTSIDE: The purpose of the first root of a plant is to
INSIDE: _____________________ & _______________________ from the soil.
OUTSIDE: Other roots soon branch out from the first root, adding
INSIDE: ___________________ & _____________________ to the root system.
***2 or 4 Tab (depending on how we did our drawings)
OUTSIDE: The two main types of roots are
INSIDE: ________________ which are found mainly in dicots and grows deep into the soil; and ____________________ which are found mainly in monocots & spreads out as it grows near the soil surface.
OUTSIDE: Short thick taproots/dicot that store sugars or starches are most likely used for:
INSIDE: a food source. (YOU List three examples!!)
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OUTSIDE: Taproot (WITH ILLUSTRATION)
INSIDE: (you provide the definition)
OUTSIDE: Fibrous Root (WITH ILLUSTRATION)
INSIDE: (you provide the definition)
***FOLDABLE DRAWING (we may already have this with our definition) Page 584 Figure 23-6 Two Types of Roots (draw, color, label and include the caption)
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*** 4 Tab
OUTSIDE: Roots contain cells from three tissue systems—
INSIDE: _____________, ________________, & ________________;
OUTSIDE: A mature root has an outside layer:
INSIDE: the _________________;
OUTSIDE: A mature root has a central cylinder of:
INSIDE: __________________ tissue;
OUTSIDE: Between the above mentioned layers…lies a large area of
INSIDE:_____________________;
DRAWING: page 585 Root Structure & Growth *Test Question may come from drawing!!! Vascular Cylinder of a Root Consists Of…
***6 Tab
OUTSIDE: The root system plays a large role in the transport of
INSIDE: ________________ & _________________.
OUTSIDE: The root’s EPIDERMAL subsystem performs dual functions of:
INSIDE: ___________________ & ________________. It surface is covered with tiny cellular projections called _____________________.
OUTSIDE: Root hairs take in water from the soil
INSIDE: through the process of ________________.
OUTSIDE: Just inside the epidermis is a spongy layer of ground tissue called the:
INSIDE: ___________________.
OUTSIDE: ENDODERMIS
INSIDE: (you provide the definition)
OUTSIDE: VASCULAR CYLINDER
INSIDE: (you provide the definition)
***FOLDABLE DRAWING page 585 Figure 23-7 Root Components…Draw, Color, Label and include caption…
***5 Tab
OUTSIDE: Roots grow in length as their ______________________ produces new cells…
INSIDE: near the root tip.
OUTSIDE: ROOT CAP
INSIDE: (you provide the definition)
OUTSIDE: Cells at the very tip of the root cap are constantly being
INSIDE: __________________, and new root cap cells are continually being added by the __________________.
OUTSIDE: Most of the increase in root length occurs immediately behind the _______,
INSIDE: where cells are growing longer. At a later stage, these cells mature and take on __________________ functions. A process known as __________________.
OUTSIDE: Cell activity in a root…
INSIDE: The root cap protects as the cells divide, elongate & then differentiate.
***2 Tab
OUTSIDE: Roots anchor a plant in the ground and
INSIDE: absorb ________________ & __________________ from the soil.
OUTSIDE: It takes ______________ on the part of the plant to
INSIDE: absorb water.
***2 Tab
OUTSIDE: What is soil?
INSIDE: (you provide the answer ()
OUTSIDE: What determines the types of plants that can grow in soil?
INSIDE: The ingredients of the soil & essential nutrients contained within the soil.
***
DRAWING/CHART: Essential Plant Nutrients page 586
***2 Tab
OUTSIDE: Recall that xylem is make up of
INSIDE: _____________(long, narrow cells with walls impermeable to water); & in angiosperms another type of xylem cell _________________ ____________, exists. It is a much wider cell.
OUTSIDE: Recall that phloem is made up of:
INSIDE: ______________ _________________ _________________ and _____________________ cells.
***4 Tab
OUTSIDE: Minerals from the soil move inside the roots by
INSIDE:__________ transport, using ______________ as the energy source.
OUTSIDE: Both _________________ & _________________ ____________________ cause water and minerals to
INSIDE: move from the _____________ ________________ into the _____________.
OUTSIDE: The high concentration of mineral ions in plant cells cause water molecules to
INSIDE: move into plants by ________________.
OUTSIDE: A decrease in the active transport of minerals into a root _____________________ cause the root to release water into the soil because of
INSIDE: the one-way flow of water and minerals.
***2 Tab
OUTSIDE: Caspian Strip (like “brick mortar”)
INSIDE: (you provide the definition)
OUTSIDE: There is a ____________ _____________________ movement of water and minerals from the cortex into the __________________ ________________ of the root because
INSIDE: (you provide the answer)
***3 Tab
OUTSIDE: Osmosis
INSIDE: (you provide the definition)
OUTSIDE: Why do plants need a “one-way” movement system for water & minerals?
INSIDE: (You provide the answer)
OUTSIDE: What would happen to the roots if there was NOT a “one-way” flow system?
INSIDE: (You provide the answer)
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