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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