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46 Cards in this Set

  • Front
  • Back

cuticle

the waxy water proof layer that covers the leaves and stem of most plants

gametophyte

the stage in the life cycle of a plant in which the plant produces gametes, or sex cells

nonvascular plants

a low growing plant that lacks true vascular tissue

sporophyte

the stage in the life cycle of a plant in which the plant produces spores

vascular plant

a plant that hs true vascular tissue

vascular tissue

the internal transporting tissue in some plants that is made of tube like structure

zygote

a fertilized egg produced by the joining of sperm and egg.

Section 2

Section 2

frond

the leaf of a fern plant

rhiziod

a thin root like structure that anchors a moss and absorbs water and nutrients

cambium

a layer of cells in a plant that produces new phloem and xylem ceels

cotyledon

a seed leaf

germination

the sprouting of the embryo from a seed that occurs where the embryo resumes growth

phloem

a vascular tissue through which food moves

pollen

tiny particles produced by seed plants that contain the cell that later become sperm cells

embryo

xylem

a young organism that develops from a zygote; a developing human during the first eight weeks after fertilization

seed

the plant structure that contains a young plant inside a protective covering

rootcap

a structure that covers the tip of a root, protecting the root from injury

transpiration

the process by which water is lost through a plant's leave

gymnosperm

a plant that produces seeds that are not enclosed by a protective fruit

cone

the reproductive structure of a gymnosperm

ovule

a structure that contains an egg cell

pollination

the transfer of pollen from male reproductive structures to female reproductive structures in plants

angiosperm

a flowering plant that produces seeds enclosed in a protective structure

flower

the reproductive structure of an angiosperm

sepal

a leaf like structure that encloses the bud of a flower

petal

a colorful, leaf like structure of some flowers

stamen

a male reproductive part of a flower

pistel

the female reproductive part of a flower

ovary

a flower structure that encloses and protects ovules and seeds as they develop

fruit

the ripened ovary and other structures of an angiosperm that encloses one or more seeds

monocot

an angiosperm with one seed leaf

dicot

an angiosperm that has two seed leaves

tropism

the growth response of a plant toward or away from a stimulus

hormone

a chemical in an organism that produces a specific effect such as growth or development

auxin

a plant hormone that speeds up the rate of growth of plant cells

photoperiodism

a plant's response to seasonal changes in length of night and day

short-day plant



a plant that flowers when the nights are longer than the plant's critical night length

long-day plant

a plant that flowers when the nights are shorter than the plant's critical night length

critical night length

the number of hours of darkness that determines whether of not a plant will flower

day-neutral plant

day neutral

dormancy

a period when an organism's growth or activity stops

annual

a flowering plant the completes its life cycle in one growing season

biennial

a flowering plant that completes its life cycle in two years

perennial

a flowering plant that lives for more than two years