Biology: Life Cycles of Ferns and Pines
A flower's sepal is part of the corolla. T/F
False
The petals of a flower have no reproductive function. T/F
False
The pollen produced by a gymnosperm is formed in the female cone. T/F
False
Some flowers are able to pollinate themselves. T/F
True
Some flowers have a complete set of male and female parts for fertilization. T/F
True
Spores produced by the small male cone of a pine tree are produced by _______________________.
meiosis
A spore produced by meiosis
meiospores
A sporangium that produces microspores
microsporangium
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?
when the pollen tube grows into the ovule
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:
between pollination and fertilization
It has pistils, but no stamens
female flower
A stalk which supports the anther
filament
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:
container for the fertilized egg
The collective term for the petals of a flower
corolla
The ripened ovaries of a flower produce: ________________.
fruit
Plants that produce seeds within a cone are called _______________________.
gymnosperms
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 _________________ flower has both _________________ stamens and ____________________ pistil parts.
perfect male female
A flower having both male and female parts
perfect flower
The female part of the flower
pistil
The tube that grows from the pollen grain to penetrate the ovule for fertilization
pollen tube
Transfer of pollen from male to female cones in gymnosperms
pollination
What is the function of the gametophyte generation of the fern plant?
produces reproductive organs which produce a zygote
The gametophyte generation of a fern is called the _________________________.
prothallium
The fully developed ovule becomes a _________________.
seed
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
The pistil of a flower consists of:
style ovary stigma