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Plants
Chapter 10 vocab
30
Science
6th Grade
02/04/2008

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Term
phloem
Definition
vessels that carry food from the leaves to the rest of the plant
Term
gymnosperm
Definition
plants with seeds that are unprotected and produced in cones
Term
transpiration
Definition
loss of water vapor through the leaves
Term
seedless vascular plants
Definition
plants that have xylem and phloem but do not use seeds for reproduction
Term
examples of seedless vascular plants
Definition
horsetails and ferns
Term
photosynthesis
Definition
the process of making food from sunlight, carbon dioxide, and water
Term
definition of a plant
Definition
producer, usually green, doesn't move
Term
function of leaves
Definition
make food
Term
function of stems
Definition
support the plant, allow food and water to move through the plant,
store food
Term
function of roots
Definition
absorb water and minerals, anchor the plant, SOME store food
Term
nonvascular plants
Definition
plants withOUT xylem and phloem
Term
examples of nonvascular plants
Definition
moss, liverwort
Term
spores
Definition
tiny reproductive cells used by nonvascular and seedless vascular plants for reproduction
Term
cuticle
Definition
waxy coating on some leaves and stems that prevent water loss
Term
angiosperms
Definition
plants that produce their seeds in fruit and flowers
Term
epidermis
Definition
outer-most layer of cells that protect the leaf
Term
seed dispersal
Definition
spreading seeds around to avoid competition. Can you name SEVERAL ways plants do this?
Term
vascular plants
Definition
plants that HAVE xylem and phloem
Term
examples of vascular plants
Definition
trees and most common flowering plants
Term
pollination
Definition
the transfer of pollen from the anther to the stigma
Term
xylem
Definition
tubelike vessels that carry water from the roots to the rest of the plant
Term
vegetative reproduction
Definition
a form of asexual reproduction. A new plant grows from the stem, roots or leaves of the parent plant
Term
stoma, stomata
Definition
openings on the underside of the leaf where plants "breathe"
Term
palisade layer
Definition
spongy layer of cells in the leaf where food is made
Term
pistil
Definition
female reproductive organ of the flower
Term
stigma
Definition
sticky top of the pistil that catches the pollen
Term
ovary
Definition
base of the pistil where the seed forms
Term
stamen
Definition
male reproductive organ of the flower
Term
anther
Definition
top of the stamen that produces pollen
Term
spongy layer
Definition
the part of the leaf that contains the xylem and phloem
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