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UNIT 1 Chapter 3–Plants
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UNIT 1
Chapter 3–Plants
Chapter 3 – Plants pp. 50-51
Do you know?
• What are the parts of a flower?• Which part of the flower produces the
pollen?
Words To Know
to make copies of something
reproduce
Chapter 3 – Plants p. 50
Words To Know
the part of a flower that is often the most colorful
petals
Chapter 3 – Plants p. 51
Words To Know
a thin stalk with a knoblike structure at its top that contains
pollen
stamen
Chapter 3 – Plants p. 51
Words To Know
tiny dustlike grains needed for flower reproduction
pollen
Chapter 3 – Plants p. 51
Words To Know
the part of the flower that receives the pollen
pistil
Chapter 3 – Plants p. 51
Chapter 3 – Plants pp. 52-53
Do you know?
• What must happen for a flower to be pollinated?
• Describe one way flowers are pollinated.
Words To Know
the transfer of pollen from the stamen to the top of the pistil
pollination
Chapter 3 – Plants p. 52
Chapter 3 – Plants p. 53
1. What does it mean for a living thing to reproduce?
to make copies of itself
Chapter 3 – Plants p. 53
2. Which part of a flower produces pollen?
the stamen
Chapter 3 – Plants p. 53
3. Name three ways a plant can be pollinated.
The plant can pollinate itself, wind can blow pollen from one plant to another, and insects or other animals can transfer pollen.
Chapter 3 – Plants pp. 54-55
Do you know?
• What is a fruit?• How are seeds dispersed?
Words To Know
the part of the flowering plant that contains seeds
fruit
Chapter 3 – Plants p. 54
Words To Know
to spread
disperse
Chapter 3 – Plants p. 54
Chapter 3 – Plants p. 56
Do you know?
• What are the parts of a seed?
Words To Know
the outside covering around the seed
seed coat
Chapter 3 – Plants p. 56
Words To Know
the part of the seed that will become the new plant
immature plant
Chapter 3 – Plants p. 56
Words To Know
food inside a seed to help the immature plant grow
stored food
Chapter 3 – Plants p. 56
Chapter 3 – Plants p. 56
1. What is a fruit?
the part of the plant that contains the seeds
Chapter 3 – Plants p. 56
2. Name three ways seeds are dispersed.
blown by wind, carried by water, buried by animals, attached to animals and humans
Chapter 3 – Plants p. 56
3. What are the three main parts of a seed?
the seed coat, immature plant, and stored food (cotyledon)
Chapter 3 – Plants pp. 60-61
Do you know?
• What is a seedling?• What are the stages of the life cycle of a
plant?
Words To Know
to sprout
germinate
Chapter 3 – Plants p. 60
Words To Know
a young plant
seedling
Chapter 3 – Plants p. 60
Chapter 3 – Plants p. 62
Do you know?
• What are some ways a plant can reproduce without seeds?
Chapter 3 – Plants p. 62
1. What does germinate mean?
to sprout
Chapter 3 – Plants p. 62
2. What is a young plant called?
seedling
Chapter 3 – Plants p. 62
3. List two things, other than seeds, that flowering plants can use to reproduce.
runners, bulbs, tubers, cuttings
Chapter 3 – Plants p. 63
Do you know?
• What is one way plants are classified?
Words To Know
grouping things that have similar characteristics
classifying
Chapter 3 – Plants p. 63
Chapter 3 – Plants pp. 64-65
Do you know?
• What is a spore?• How are conifers different from flowering
plants?
Words To Know
a reproductive structure that is smaller than a seed and has no
stored food
spore
Chapter 3 – Plants p. 64
Words To Know
plants that produce seeds in a fruit
flowering plants
Chapter 3 – Plants p. 64
Words To Know
plant that produces seeds in cones
conifer
Chapter 3 – Plants p. 65
Chapter 3 – Plants p. 65
1. What does classifying mean?
grouping things that have similar characteristics
Chapter 3 – Plants p. 65
2. Name a plant that does not have tubes for moving water.
moss
Chapter 3 – Plants p. 65
3. What are some different ways plants are classified?
by whether or not they have tubes, by whether they have seeds or spores, by whether their seeds are produced in fruit or cones
Key Ideas
• For most plants, the part of the plant involved in reproduction is the flower.
• Plants can be pollinated in different ways.• The fruit is the part of a flowering plant that
contains the seed(s).
Chapter 3 – Plants p. 68
Key Ideas
• Seeds can be dispersed by wind, water, or animals.
• The three main parts of a seed are the seed coat, the immature plant, and stored food (cotyledon).
• Seeds need certain conditions to germinate.
Chapter 3 – Plants p. 68
Key Ideas
• The life cycle of a plant includes germination, growth, pollination, and seed dispersal.
• Botanists can classify plants by their different characteristics.
Chapter 3 – Plants p. 68
