Shared Flashcard Set

Details

Chapter 6
Flowering Plant Diversity
56
Biology
Undergraduate 1
10/13/2013

Additional Biology Flashcards

 


 

Cards

Term
What are photosynthetic eukaryotic organisms?
Definition
Plants
Term
What is the most dominant type of plants?
Definition
Flowering plants, angiosperms
Term
Where are seeds produced in an angiosperm?
Definition
Carpel
Term
The carpal has a stigmatic surface for...
Definition
Pollen germination
Term
Basic flower parts are grouped into four...
Definition
whorls
Term
All whorl parts in an angiosperm are from the _______ which is the expanded top of the _______.
Definition
Receptacle, peduncle
Term
What is the outermost whorl?
Definition
Sepals, leaf-like structures
Term
What are the sepals collectively called?
Definition
The calyx
Term
What is the second whorl?
Definition
Petals, colorful leaf-like structures
Term
What are the petals collectively called?
Definition
The corolla
Term
Which whorls are sterile?
Definition
First 2
Term
What makes a whorl sterile?
Definition
lack of gametes
Term
What is the combination of the calyx and corolla?
Definition
Perianth
Term
What is it called when the sepals and petals are not distinct?
Definition
tepals
Term
What is the first inner whorl (third)?
Definition
Stamens
Term
Stame,s have _____ that hold _____ containing ______.
Definition
Anthers, pollen, sperm
Term
Stamens an be differentiated into...
Definition
Filaments
Term
What are the stamens called together?
Definition
Androecium
Term
What is the innermost whorl?
Definition
Carpel
Term
What does the carpel house?
Definition
ovary style and stigma
Term
The ovary contains...
Definition
ovules that contains eggs
Term
Where is the style?
Definition
between ovary and stigma
Term
What is the sticky surface that receives pollen?
Definition
Stigma
Term
The fertilized egg forms a _____ which develops into a ______ inside the seed.
Definition
Zygote, embryo
Term
The union of the sperm with the other two nuclei in the ovary form a _______ tissue that produces ______.
Definition
triploid, endosperm
Term
What is the endosperm?
Definition
Nutritive tissue that feeds the developing embryo
Term
What are the carpals collectively called in a flower?
Definition
Gynoecium
Term
A flower with all four whorls is a...
Definition
complete flower
Term
A plant bearing both male and female structures in a flower would be considered...
Definition
hermaphroditic
Term
If pollen or ovules is absent from a flower, it is...
Definition
imperfect
Term
A flower with only stamens and no carpal is a
Definition
staminate flower
Term
A flower with only carpals and no stamens is a
Definition
Pistillate flower
Term
If a flower has both stamens and pistils it is __________ even without sepals and petals
Definition
perfect
Term
What is both sexes in one house?
Definition
Monoecious
Term
What is sexes in two houses?
Definition
Dioecious
Term
All asters have _____, tiny flowers that are arranged.
Definition
florets
Term
Florets can be arranged in clusters or a head called...
Definition
capitulum
Term
Each floret has ___ petals used to form a ____
Definition
5, tube
Term
Florets have stamens fused to form a...
Definition
staminal column
Term
As the floret develops, the ____ emerges through the staminal column avoiding contact with the the pollen
Definition
Stigma
Term
Outer florets are called ____ florets and inner florets are called ____ florests
Definition
ray, disk
Term
Fertilization is usually mediated by ____ pollination.
Definition
animal
Term
Plant species are often sexually __________.
Definition
Self-incompatible
Term
However some plant species can ________ in order to reproduce
Definition
self-fertilize
Term
What is an example of a highly self-fertilized species?
Definition
Weeds
Term
__________ plants usually have large showy petals and produce a nectar and/or pollen
Definition
Cross-pollinated
Term
Wind pollinated plants often lack...
Definition
petals
Term
Showy aster family flowers are usually pollinated by...
Definition
bees
Term
Butterfly flowers usually have a small ____ opening
Definition
tubular
Term
Some flowers use a rotting meat scent to attract this pollinator.
Definition
Fly
Term
Hummingbirds are attracted to...
Definition
red tubular flowers
Term
What is the world's smallest flower?
Definition
Wolffia (duckweed)
Term
What is the world's largest flower?
Definition
Rafflesia arnoldii, Stinking corpse lily
Term
What does a split stigma usually signal?
Definition
Multiple ovary chambers
Term
What are flowers with three petals or a multiple of three?
Definition
Monocots
Term
What are flowers with four or five petals or a multiple?
Definition
Eudicot
Supporting users have an ad free experience!