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18 Cards in this Set
- Front
- Back
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What are the three principal organs of seed plants?
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1. Roots
2. Stems 3. Leaves All seed plants have these three things in common. Not all seed plants have flowers |
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What are the functions of roots?
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to absorb water
to absorb nutrients and minerals to anchor plants in the soil & hold soil in place. |
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What are the functions of a stem?
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Support for the plant
Transport system for the nutrients |
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What is the main function of a leaf?
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Photosynthesis!
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What does differentiation mean?
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It's when the cells, plant cells in this case, divide and get instructions on what they are going to function as.
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What are the three main tissue systems in plants?
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Dermal Tissue
Vascular Tissue Ground Tissue |
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What is Dermal Tissue?
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The outer covering of the plant. Typically consists of a single layer of epidermal cells.
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What is Vascular Tissue?
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Tissue that forms a transport system that moves water and nutrients throughout the plant.
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What transports water in the vascular system of a plant?
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Xylem
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What transports sugar in the vascular system of a plant?
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Phloem
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Which way does water move throughout the plant? Is it pushed or pulled?
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Upward, Pulled
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Which way does sugar move throughout the plant? Is it pushed or pulled?
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Downward (from the leaves), Pushed
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What is ground tissue?
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The cells that lie between dermal and vascular tissue make up the ground tissues.
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Where are plant cells produced at?
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Meristems.
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What is an apical meristem?
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groups of cells that divide to produce increased length of stems and roots.
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What are the two main types of roots?
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Taproots & Fibrous roots
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What is a taproot?
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A long thick primary root that grows thick in the soil with very small secondary roots that grow off of it.
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What is a fibrous root?
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Roots that branch out to an extent that no single root grows larger than the rest. Many roots.
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