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review questions for seed and seedless plants
Terms in this set (50)
Fern trees occur whereas moss trees do not because
ferns do not require swimming sperm
The plant life cycle is categorized as
The sporophytes of the hornworts
provide part of the nutrition for the gametophyte
The mature male gametophyte of pine is
the germinated pollen grain containing two sperm
The mature female gametophyte of an angiosperm
an embryo sac with eight nuclei and seven cells
Seedless vascular plants include
In which of the following phyla are the sperm not motile?
The plant classification level sometimes called division corresponds to the level of _______________.
Which of the following is part of the gynoecium?
Which of the following do not have nutritionally independent gametophytes?
The specialized pores called _______________ allow carbon dioxide to enter a plant with a minimum loss of moisture.
The process of double fertilization is unique to
In plant life cycles, which of the following sequences is correct?
zygote, sporophyte, meiosis, spores
The _______________ ultimately matures into a fruit.
Which of the following is not a vascular plant group?
The structure traditionally called pistil is more precisely called
Which of the following do not have nutritionally independent sporophytes?
Which of the following is part of the thrid whorl?
In the Arctic, _______________ are the most abundant plants.
A characteristic feature of mosses, liverworts and hornworts is the presence of usually colorless projections called
Which of the following takes part in the double fertilization and becomes an endosperm?
In the phylum, _______________, the ovules are completely enclosed by sporophyte tissue at the time of pollination
Which of the following have motile sperm within a pollen tube?
Ferns have horizontal stems called
Which of the following cells has a different ploidy level from the rest?
cells of a gametophyte
True or False. Pollen and seeds are structures that allow organisms to achieve reproductive independence from a watery environment.
In the evolution of land plants, sporophytes became dominant over gametophytes due primarily to what adaptation?
Before aquatic plants could move onto the land, they had to:
-find a means of conserving water
-develop a way to absorb minerals from the soil
-develop a way to reproduce on land
A structure that regulates the movement of carbon dioxide into the plant and the movement of water and oxygen out of the plant is:
The development of a vascular system in plants allowed:
-water to move from the roots to the leaves
-carbohydrates to move from the leaves to the roots
-a rigid structure that enabled plants to grow taller
The phylum of plants that includes mosses is:
Which of the following is not a characteristic of ferns?
Ferns are small plants.
The formation of seeds greatly improved plants' adaptation to land by:
-making dispersal of offspring easier
-allowing survival during adverse conditions
-allowing germination during favorable conditions
-providing nourishment following germination
True or False. The protective layer covering the ovule of seed plants is the nucellus.
True or False. The gynoecium and androecium together form the perianth
True or False. Early land plants tended to be composed mainly of gametophyte tissue with smaller sporophyte structures attached or enclosed within.
Which of the following is not characteristic of dicots?
embryo with one cotyledon
A ______ plant does not have any tubes to transport water
Non-vascular plants reproduce through _____________.
Which of the following is an example of a non-vascular plant?
A _______ plant has true roots, stems and leaves.
Which of the following is an example of a vascular plant?
Vascular plants reproduce through ___________.
The ____________ gains nutrients from the ____________ inside the seed until the plant can make its own food.
The _____________________ protects the undeveloped plant (embryo) against injury and from drying out.
The ___ is the tiny plant inside of a seed.
Which evolved first?
Which evolved first?
Non vascular plants
How are mosses different from algae?
They have specialized cells
How is fern and moss reproduction similar?
They both occur in two stages (asexual and sexual)
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