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Study guide

Life Sci - Chapter 12

What is a plant? a living organism that produces its own food by photosynthesis
Define the use of photosynthesis. plants use energy from sunlight to make food from carbon dioxide and water
The organelle of a plant that provides photosynthesis. The chloroplast - (green)
What does the cuticle do for a plant? coats the top of the leaves and keeps plants from drying out
Sporophyte stage produces spores by means of what type of reproduction? Asexual reproduction (one parent - spores)
Seeds are produced by what stage of plant reproduction? gametophyte stage (sexual reproduction - seeds)
Examples of nonvascular, seedless plants moss, liverwort, hornwort
Examples of vascular, seeded plants flowers, evergreens, other trees
Plants transport water and nutrients in the ___________ (vascular tissue) xylem
Food is transported in the ______________ (vascular tissue) phloem
Mosses use _____________to anchor themselves down. rhizoids
The root system of a fern is called rhizome
The structures of a seed are….. embryo, cotyledon (stored food), seed coat
Nonflowering seed plants are... gymnosperms
Gymnosperms produce cones
The transfer of pollen to cone or flower is called... pollination
Flowering, seeded plants are called…. angiosperms
List the two types of flowering plants. monocot and dicot
What is the cotyledon in a seed? food for the seed
List the functions of the roots. supply plants with water and dissolved minerals, hold plants securely in soil, store surplus food
List the two common root systems in plants Fibrous roots and tap roots
List the functions of stems. support plant body, transport materials between root system and shoot system, stores energy
Explain the difference between herbaceous and woody stems. herbaceous - soft, thin, flexible(plants) woody - rigid stems made of wood and bark (trees and shrubs)
List the functions of leaves. make food for the plant - gather sunlight
What is the cuticle of the leaf used for? to prevent water loss
Explain the difference between a simple and compound leaf. simple - arrangement of one, compound - multiple leaves
Why do plants grow flowers? to attract insects and birds to help them pollinate
What does the sepal do for a flower? protects the flower bud, holds flower up once bloomed
What is the female part of a flower called? pistil
What is the purpose of petals on a flower? attraction
What is the male part of a flower called? stamen
Stigma does what for a flower? collects pollen grains (because its sticky)
List the parts of the pistil and define what they do -stigma sticky to catch pollen
-style stem of female part
- ovary ovules (eggs)
List the parts of the stamen and define what they do -anther produces pollen
- filament stem of the male part
Created by: msparks



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