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A sporophyll is a leaf that bears sporangia. Both microphylls and megaphylls can be sporophylls. In heterosporous plants, sporophylls (whether they are microphylls or megaphylls) bear either megasporangia (and thus are called megasporophylls), or microsporangia (microsporophylls). The overlap of the prefixes and roots makes these terms a particularly confusing subset of botanical nomenclature
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Lycopods produce sporangia which are produced on the upper surface of modified leaves termed?
The sporangia in lycopods are produced on the upper surface of modified leaves called sporophylls. These sporophylls are specialized structures that bear the sporangia and are crucial in the reproductive process of lycopods.
Where are sporophylls found?
Sporophylls are found on the sporophyte generation of plants, which is the diploid phase of the plant life cycle. They are specialized leaves that bear sporangia, the structures that produce and contain spores. Typically, sporophylls are found in the reproductive structures of plants like cones or flowers.
Compare the spores and leaves of lycopodium sp and selaginella sp?
Lycopodium has only one size of spores said to homosporous while Selaginella has both a microspore that grows into the male gametophyte and macrospores that produces female gametophytes. Selaginella has ligules at the base of each microphyl
What is a flower lacking BOTH carpels and stamens?
A flower without stamen is known as a unisexual flower. And even a flower without pistel/carpel is known as unisexual flower. A flower is known as bisexual if it contains both stamen and pistel/carpel
Lycopods produce sporangia which are produced on the upper surface of modified leaves termed?
The sporangia in lycopods are produced on the upper surface of modified leaves called sporophylls. These sporophylls are specialized structures that bear the sporangia and are crucial in the reproductive process of lycopods.
Where are the reproductive organs of gymnosperms found?
In the male & female cones or sporophylls
Where are sporophylls found?
Sporophylls are found on the sporophyte generation of plants, which is the diploid phase of the plant life cycle. They are specialized leaves that bear sporangia, the structures that produce and contain spores. Typically, sporophylls are found in the reproductive structures of plants like cones or flowers.
Where are the reproductive organs of a gymnosperms found?
In the male & female cones or sporophylls
What is telomes?
"a hypothetical plant structure in a theory of the evolution of leaves and sporophylls in vascular plants that consists of one of the vegetative or reproductive terminal branchlets of a dichotomously branched axis" Merriam-Webster
The leaves of ferns are called?
The leaves of ferns are called fronds. As a young frond unwinds and opens, it is called a fiddlehead. The regular fronds are called trophophylls. The fronds that produce spores are called sporophylls.
Where does meiosis occur in seedless plants?
Meiosis typically occurs in the specialized structures called sporangia or sporophylls in seedless plants. These structures are found on the sporophyte generation of the plant, where meiosis takes place to produce spores.
What are the leaves of the ferns called?
The leaves of ferns are called fronds. As a young frond unwinds and opens, it is called a fiddlehead. The regular fronds are called trophophylls. The fronds that produce spores are called sporophylls.
What is a micro spore?
A microspore is is a part of heterosporous spore production, in which two types of sporophylls develop into two kinds of spores (eventually eggs and sperm). Microspores later develop in male gametophytes (sperm). Microspores start out as microsporangia in microsporophylls that later become microspores.
Compare the spores and leaves of lycopodium sp and selaginella sp?
Lycopodium has only one size of spores said to homosporous while Selaginella has both a microspore that grows into the male gametophyte and macrospores that produces female gametophytes. Selaginella has ligules at the base of each microphyl
What types of plants have reproductive structures on cones?
Coniferous trees bear cones such as pine trees, fir trees, and spruce trees...Pine trees bear pine cones.Conifers; Coniferous plants
How are pine cones important to your environment?
They make lovely blaze when you put them on the fire
