bio
It has pistils, but no stamens
female flower
The female part of the flower
pistil
Transfer of pollen from male to female cones in gymnosperms
pollination
The fully developed ovule becomes a _________________.
seed
Some flowers have a complete set of male and female parts for fertilization. True or False
True
A stalk which supports the anther
filament
The pistil of a flower consists of: style stamen anther ovary corolla stigma
style ovary stigma
The collective term for the petals of a flower
corolla
The _________________ flower has both _________________ stamens and ____________________ pistil parts.
perfect male female
A flower having both male and female parts
perfect flower
A flower's sepal is part of the corolla. True or False
False
The petals of a flower have no reproductive function. True or False
False
The pollen produced by a gymnosperm is formed in the female cone. True or False
False
Some flowers are able to pollinate themselves. True or False
True
Spores produced by the small male cone of a pine tree are produced by _______________________.
meiosis
A sporangium that produces microspores
microsporangium
Life cycles found in vascular plants are variations of the __________________________ life cycle.
sporic
The sporophyte is more than the zygote, and the gametophyte is more than a gamete
sporic life cycle
The green leafy plants recognized as ferns are from the ________________________ generation of the plant.
sporophyte
The gymnosperm tree or shrub comprises the _______________________ generation of the plant.
sporophyte
How does the egg of a flower become fertilized? as soon as the pollen reaches the stigma after the pollen grain descends down the style when the pollen tube grows into the ovule when the seed germinates
when the pollen tube grows into the ovule
A diploid generation
sporophyte generation
A spore produced by meiosis
meiospores
Sporophyte and gametophyte generations follow one another in alternating fashion
alternation of generations
Pollination of a flower requires that the pollen produced in the __________________ be deposited on the ___________________.
anther stigma
The organ that produces the egg cell in the life cycle of the pine is called the _______________________.
archegonium
About one year is required in the gymnosperm: to develop the egg to grow the male and female cones between pollination and fertilization between fertilization and germination
between pollination and fertilization
The collective term for the sepals is ___________________.
calyx
A flower containing a pistil, stamen, calyx, and corolla
complete flower
The pine cone seed is the: female gametophyte male gametophyte container for the fertilized egg none of the above
container for the fertilized egg
The ripened ovaries of a flower produce: ________________.
fruit
A haploid generation
gametophyte generation
Plants that produce seeds within a cone are called _______________________.
gymnosperms
Vascular plants have a ____________________ alternation of generations.
heteromorphic
Sporophyte and gametophyte generations have a different appearance
heteromorphic alternation of generations
A flower that lacks one or more of the following parts: pistil, stamen, calyx, or corolla
incomplete flower
In considering the difference between the male and female pine cones, the ______________ is small, short-lived, and nearly unnoticeable on the tree. The ________________ is the one we recognize as the pine cone.
male female
A flower that has male parts only
male flower
A female cone in gymnosperms. It produces seeds
ovulate or seed cone
A structure within the ovary of a flower that contains the female gametophyte
ovule
Pine cone seeds are produced in the _________________ of the ____________________ cone.
ovule female
The tube that grows from the pollen grain to penetrate the ovule for fertilization
pollen tube
What is the function of the gametophyte generation of the fern plant? produces reproductive organs which produce a zygote produces meiospores which grow into a sporophyte plant produces a new fern asexually grows as a diploid fern
produces reproductive organs which produce a zygote
The gametophyte generation of a fern is called the _________________________.
prothallium
An increasingly intricate relationship exists between the gametophyte and sporophyte generations in vascular plants. As vascular plants live longer, they increase in size and complexity and the ___________________ generation becomes dominant, while the ______________________ generation becomes smaller and of shorter duration.
sporophyte gametophyte
The gametophyte and sporophyte generations of ferns differ from one another in that the long-lived ___________________ has _________________ tissue. The ________________________ is small, heart-shaped, and lives only a few weeks.
sporophyte vascular gametophyte
A ___________________ is the sticky end of a pistil where pollen is caught.
stigma