Chapter 6: Flowering Plant Diversity

Question 1

Plants
Characteristics:
-_____________
-photosynthetic
-chlorophyll A & B
-Chloroplasts
-cell walls made of _________
-__________ as __________ storage
-alternation of generations
-_________ embryo

Answer 1

-eukaryotic
-cellulose
-starch
-energy
-protected

Question 2

Phylogeny:
Nonvascular Plants:
1. __________-green algae
Seedless Vascular Plants:
2. ___________-moss, liverworts & hornworts
Vascular, Seed Plants-
3. ___________: Conifers, cycads, gingko
4. __________: rose, orchids

Answer 2

-charophytes
-bryophytes
-gymnosperms
-angiosperms

Question 3

Why Do plants have flowers?
______________
-Attract ___________
-house _____________ organs
-mediate joining of gametes

Answer 3

-reproduction
-pollinators
-reproductive

Question 4

Angiosperms:
-_________ plants
-most diverse group of plants
-_____% of plant species (>300,000 species)
-_____ and _______ (reproductive structures)
-ex. apple trees, corn, roses, petunias, lilies, grasses, cacti, magnolia, tomatoes
-_____________ fertilization
-produces ______ (2n) and endosperm (3n)

Answer 4

-flowering
-85
-flowers
-fruits
-double
-embryo

endosperm is food for embryo

Question 5

Flower Morphology
Arranged in 4 whorls
1. Calyx (made up of sepals)
2. Corolla (made up of petals)
3. Stamen (male parts)
4. Pistil/Carpel (female parts)

Question 6

Flower Morphology
1. Calyx
- consists of sepals
-wrap around __________ of flowers
-usually _________, leaf like
-forms __________ layer around flower

Answer 6

-base
-green
-protective

Question 7

Flower Morphology
2. Corolla
-usually consists of _________
-petals often _________
-__________ pollinators to flowers
-first 2 whorls are _________ structures
-do not bear any ___________ structures (no gametes)
-Perianth: __________+__________
-Tepals: when sepals and _______ are fused together

Answer 7

-petals
-colorful
-attract
-sterile
-reproduce
-calyx & corolla
-petals

Question 8

Flower Morphology
3. Stamen
-include anthers
-anthers hold _________
-pollen- male reproductive organ, contain _________
-filament- stalk where ___________ is attached to
-stamens together make up the androecium

Answer 8

-pollen
-sperm
-anther

Question 9

Flower Morphology
4. Pistil (Carpel)
-includes ovary, style, stigma
-ovary contains ovules, which contains the ___________
-stigma- ________ surface to receive _________
-carpels together make up the gynoecium

Answer 9

egg
sticky
pollen

Question 10

Perfect Flower:
flowers with both ________ parts

Answer 10

male & female

Question 11

Imperfect flower:
a flower that has only male parts or only female parts
Staminate: _______ flowers
Pistillate: _______ flowers

Answer 11

male
female

Question 12

Monoecious:
-“________ house”
-a plant that houses _____ male and female flowers (ex. corn)

Answer 12

one
both

Question 13

Dioecious:
-“________ houses”
-male and female flowers appear on _________
-ex. holly, aspen trees, swamp tupelo, juniper shrubs

Answer 13

two
separate plants