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Chapter 5 seed plants

key terms and DSQ's


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what are the 2 stages in the life cycle of plants?
sporophyte and gametophyte
what does the sporphyte and gametophyte produce?
sex cells
what characteristics do all plants share?
multicellular, eukaryotes, and autotrophs
what is the difference between a vascular and nonvascular palnt?
a vascular plant has vascular tissue and a nonvascular plant doesn't
what happens when light strikes a leaf?
most of the green part of the spectrum is reflected, and most of the other colors are absorbed.
what are the adaptations necessary for plants to live on land?
must be able to obtain water, retain water, transport materials in their bodies, and reporduce
what are 3 things that can happen to light when it strikes an object?
transmission, reflection, and absorption
define photosynthesis
a process where plants make food by using the suns energy
define tissue
a group of similar cells that perform a specific function in an organism
define chloroplast
a structure in a plant that makes the food
define vacuole
a large storage sack that can expand and shrink
define cuticle
a waxy waterproof layer that covers the leaves of most plants
define vascular tissue
a system of tubelike structures inside a plant through which water, minerals, and food move
define fertilization
when a sperm cell unites with an egg cell
define zygote
a fertilization egg
define nonvascular plant
plants that lack vascular tissue
define vascular plant
plants with true vascular tissue
define chlorophyll
a green pigment found in chloroplasts of plants, algae, and some bacteria
define sporophyte
a stage where plants produce spores
define gametophyte
a stage where plants produce sex cells
the process where some objects allow light to pass through them
the process when light hits a shiny surface and the light bounces back
when dark objects take in light
accessory pigment
a pigment other than chlorophyll found in the plant cells
a young plant inside a protective covering
the vascular tissue in which food moves
the vascular tissue in which water and materials move
tiny structure that contain the cells that will later become sperm cells
a young plant that develpos from the zygote of the fertilized egg
a plants seed leaves
when the embryo begins to grow again and pushes out of the seed
root cap
a protectice covering on the top of the roots
a layer of cells in the stem that produce new phloem and xylem
small openings, or pores, in the surface layer of the leaf
the process which water evaporatesfrom the plants leaves
a seed plant that produces naked seeds
structures that gymnosperms produce
a structure that cantains an egg cell
the transfer of pollen from the male reproductive structure to the female reproductive structure in plants
4 ways seeds are dispersed
wind, water, animals, and ejection
3 parts of a seed
embryo, seed coat, and cotyledon
characteristics of all seed plants
use pollen and seeds to reproduce, have 3 main parts; roots stems and leaves, and have vascular tissue
1st step in a seed plant life cycle
2nd step in a seed plant life cycle
3rd step in a seed plant life cycle
seed development
3 main functions of roots
anchor plant, absorb water and minerals, and store food
3 main funstions of stems
carry substances between roots and leaves, provides support for plant, and holds it toward the sun
3 main funstions of leaves
capture the suns energy, carry out the food for photosynthesis, and control water loss
a plant that produces seeds with a protective covering
the reproductive structure of an angiosperm
a leaf like structure that develops the developing flower
a colorful leaflike structure of some flowers
the male reproductive parts
female reproductive parts
a hollow structure that protects the seeds as they develop
a ripened ovary that enclose 1 or more seeds
angiosperms that have only 1 seed leaf
angiosperms that have 2 seed leafs
job of stamen
to make pollen
job of pistol
produce egg cells
3 parts of pistol
stigma, style, and ovary
2 parts of stamen
anther and filament
characteristics of angiosperms
produce closed seeds, and produce flowers
characteristics of gymnosperms
produce naked seeds and cones
characteristics of monocots
parallel veins, 1 cotyledons, scattered vascular tissue, and petals that part in multiples of 3
characteristics of dicots
branching veins, 2 cotyledons, vascular tissue in a ring, and petals of 4 and 5
difference between seed and seedless plants
seed plants use seeds and pollen to reproduce and seedless plants use sexual and asexual reproduction
what is a naked seed?
seeds that are not enclosed by a fruit
what is a coverd seed?
a seed enclosed by a fruit
function of a cambium
to produce new phloem and xylem
function of root cap
protect end of roots while they grow
function of leaf
absorb sunlight to carry out food for photosynthesis
function of stem
transport materials and support plant
function of cotyledon
store food
characteristics of all plants
autotrophs, multicellular, eukaryotes, and have a cell wall
gymnosperms reproductive structure
angiosperms reproductive structure
the embryo in a seed gets food from

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