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Chapt 29 Plant Structure and Function
Stems
20
Biology
10th Grade
01/28/2010

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Cards

Term
node
Definition
in biology, a joint between two adjacent sections in the stem of the plant where buds form and leaves or branches start to grow
Term
internode
Definition
the part of a plant stem between two consecutive nodes
Term
bud
Definition
a chute or flower that has immature leaves folding in the growing tip
Term
bud scale
Definition
a modified leaf that forms a protective covering for a bud until it opens
Term
pith
Definition
the tissue that is located in the center of the stem of most vascular plants and that is used for storage
Term
wood
Definition
secondary xylem produced in gymnosperm and dicot stems
Term
heartwood
Definition
the dark wood found in the center of the tree
Term
sapwood
Definition
the lighter-colored
Term
bark
Definition
Term
springwood
Definition
Term
summerwood
Definition
Term
annual ring
Definition
Term
source
Definition
Term
sink
Definition
Term
translocation
Definition
Term
pressure-flow
Definition
Term
hypothesis
Definition
Term
transpiration
Definition
Term
cohesion-tension
Definition
Term
theory
Definition
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