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Chapter 28 notes
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39
Biology
9th Grade
05/05/2014

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Term
What are the characteristics of all plants?
Definition
multicellular, eukaryotic, autotrophs, cell wall made of cellulose
Term
What produces spores asexually?
Definition
diploid sporophyte plant
Term
What produces gametes sexually?
Definition
haploid gametophyte plant
Term
What are the two major groups of plants?
Definition
nonvascular and vascular
Term
What do these characteristics describe?
-lack true roots, stems, and leaves
-absorb nutrients through cells because they have no transport system
-tend to be small and live in moist environments
Definition
nonvascular plants
Term
What is another name for nonvascular plants?
Definition
bryophytes
Term
What do these characteristics describe?
-roots, stems, and leaves
transport material in xylem and phloem
-found in many environments
Definition
vascular plants
Term
What is another name for vascular plants?
Definition
tracheophytes
Term
What are bryophytes?
Definition
nonvascular, seedless plants (mosses, liverworts, and hornworts)
Term
What conducts water and minerals from the roots to the rest of the plant
Definition
xylem
Term
What are vessels that conduct starch and sugar from the leaves to the other parts of the plant
Definition
phloem
Term
What is a vascular bundle?
Definition
xylem+phloem
Term
What are some examples of seedless vascular plants?
Definition
ferns, horseferns, whiskbrooms
Term
How do ferns reproduce?
Definition
using spores located in clusters called sori
Term
What are the leaves a fern called?
Definition
fronds
Term
What are gymnosperms?
Definition
produce naked seeds
Term
What are angiosperms?
Definition
produce covered seeds
Term
What are the characteristics of angiosperms?
Definition
-flowering plants
-produce seeds enclosed in a fruit
Term
What are the two groups seed bearing vascular plants are grouped into?
Definition
gymnosperms and angiosperms
Term
What are the two groups angiosperms are divided into?
Definition
monocots and dicots
Term
What are the characteristics of monocots?
Definition
-one cotyledon
-parallel veins in leaves
-fibrous roots
-flower parts in threes or fives
Term
What are the characteristics of dicots?
Definition
-two cotyledons
-netted veins in leaves
-taproot
-flower parts in fours or fives
Term
What are the three basic plant structures?
Definition
leaves, stems, roots
Term
What are the uses of roots?
Definition
anchor plant and absorb water and minerals
Term
What are the two types of roots?
Definition
tap and fibrous
Term
What are the uses for the stem?
Definition
support for leaves and reproductive organs and protection for the transport system
Term
What are the uses of leaves?
Definition
factories for the plant and site of photosynthesis
Term
What is a waxy covering that protects a leaf?
Definition
cuticle
Term
What is the tiny opening on the bottom of a leaf that allows gases to enter and leave the leaf
Definition
stomate
Term
What protects the flower and bud?
Definition
sepal
Term
What is colorful and attracts insects?
Definition
petal
Term
What is the male structure of the flower?
Definition
stamen
Term
What is the female organ of the flower?
Definition
pistil
Term
What are the two parts of the stamen?
Definition
filament and anther
Term
What is an anther?
Definition
produces pollen through meiosis
Term
What are the three parts of the pistil (female reproductive organ)?
Definition
stigma, style, ovary
Term
What is an ovary?
Definition
undergoes meiosis to produce ovule (egg)
Term
What is a ripened ovary (zygote (fertilized egg))
Definition
fruit
Term
What is the growth of a plant in response to a stimulus (sunlight)?
Definition
trophism
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