Download Gymnosperms and Angiosperms

Gymnosperms and Angiosperms
What Do I Study?
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Seed and Plant Response PowerPoint
Gymnosperm Notes
Angiosperm Notes
Vocabulary Seed Plants
Vocabulary Gymnosperms Angiosperms
Quiz on Seeds
Quiz on Flowers
Yellow Angiosperm Sheet
Green Gymnosperm Sheet
Characteristics of Seed Plants Worksheet
Mav Mark
1. What is a characteristic of a plant that is
useful when making paper?
2. Why is it important to press and dry the
newly made paper?
3. The first known paper was papyrus. Was this
a conifer? Explain.
Mav Mark
• What is a gymnosperm?
• What are four examples of gymnosperms and
where are they found?
Mav Mark
• Describe the Life Cycle of the Gymnosperm
Mav Mark
• What is the difference between a
gymnosperm and an angiosperm
• What does gymno- mean?
• What does angio- mean?
• What does –sperm mean?
Mav Mark
• Give three characteristics of Monocots
• Give three characteristics of Dicots
1. A gymnosperm
• Is a seed plant that produces “naked” seeds
(they are not inside a fruit)
• Usually has needle-like or scale-like leaves and
a deep growing root system.
2. Different types of gymnosperms are
• Cycads are usually found in tropical areas
• Conifers are cone-bearing plants; the largest
gymnosperm group
• Ginkgoes – today there is only one species
left; Ginkgo biloba
• Gnetophytes live in hot deserts and tropical
rainforests
Gingko leaf-unique shape
cycads
conifers
Ginkgoes
gnetophytes
3. Most gymnosperms reproduce with
cones
• Cones are covered with scales
• There are usually two different cones:
– Male cones produce pollen
– Female cones contain an ovule
Pine Cones
Male Cone
Female Cone
4. Pollination is
• A transfer of pollen from the male
reproductive structure to the female
• After pollination, the egg is fertilized and
seeds are dispersed by the wind
5. Gymnosperms provide many useful
products
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Paper
Lumber used for building homes
Rayon fibers in clothes
Cellophane wrappers on food
Turpentine in paint
Rosin
Angiosperms
1. Angiosperms are
• Flowering plants that produce
– Flowers
– Seeds inside fruits
• Found everywhere on Earth
2. The flower is the reproductive
structure of the plant
• Come in all shapes and sizes:
– Complete flower
– Incomplete flower
• Flowers include:
– Sepals and petals
– Stamens
– Pistils
3. The Sepals and Petals
• Sepals are leaf-like structures that protect the
flower when it is a bud
• Petals are colorful leaf-like structures
• Petals vary from plant to plant. In fact, not all
flowers have petals!
4. Stamens
• Stamens are the male reproductive parts
– Filament (thin stalk)
– Anther (produces pollen; sits on top of filament)
5. Pistils
• Pistils are the female reproductive parts
– Stigma (sticky tip)
– Style (a slender tube that connects stigma and
ovary)
– Ovary (contains the ovule which has eggs that
become seeds)
6. Pollinators
• Insects, birds, and bats are attracted to a
flower’s color, shape, or smell.
• They help carry pollen from one flower to
another
7. Reproduction in angiosperms
• Pollen falls on the stigma from the anther
• Sperm from the pollen fertilized the egg in the
ovule
• Seed develops
• Ovary swells and grows around the seed as a
fruit
8. Types of angiosperms
• Two major groups are monocots and dicots
• Monocots
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Have one seed leaf
Long slender leaves; parallel veins
Flowers have 3 petals or multiples of 3
Example: corn, wheat, rice
• Dicots
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Have two seed leaves
Leaves are wide with branched veins
Flowers have 4 or 5 petals or multiples of 4 or 5
Example: roses, violets, dandelions
9. Angiosperms in Everyday Life
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Food
Clothing
Medicine
Furniture