why are spores on the underside of fronds

The fronds of the fern are its leaves. Fern fronds often bear sporangia, where the plant's spores are formed, usually on the underside (abaxial surface) of the pinnae, but sometimes marginally or scattered over the frond.The sporangia are typically clustered into a sorus (pl., sori). Therefore ferns are known as homosporous plants. When white light strikes a prism the light is ___. This product kills all spores it comes in contact with and helps to prevent the spread of frangipani rust. Why are the spores produced on the underside of the fronds? Most sperm spores are dispersed through the wind. Spores are found on the underside of the leaves. The spores germinate and develop into a tiny, free-living gametophyte. The disease forms powdery, yellow-orange pustules on the underside of the frangipani leaves which reduces the plant's ability to photosynthesise. How does offspring dispersal occur? The spores on most ferns are the same size and perform the same function. While the disease is unlikely to kill the tree, it will eventually cause defoliation (especially in younger trees). Secateurs can also be sprayed to kill spores. so egg and sperm cells can join. These cells undergo meiosis to form haploid spores. Leaf shape, size, texture and degree of complexity vary considerably from species to species. You would expect to find spores ___. Instead of having flowers and seeds, ferns reproduce by means of the spores on its fronds. Sori are usually found on the underside of the blade. During development, young fern leaves (= fronds) are coiled. Ferns produce spores on the underside of the fronds for the same reason that other plants produce seeds. On the underside of the fronds are sporangia. Why must ferns live in moist environments? It is a way for them to reproduce without the help of another organism. sporophyte; tiny spore case _____ and _____ carry spores great distances. (in fiddleheads, on moss rhizoids, in a new gametophyte, on the underside of fern fronds) on the underside of fern fronds. In general, the parent plant sheds the spores locally; the spore-generating organs are frequently located on the undersides of leaves. spores develop in _____ on the underside of mature fronds. 3.) Sporangia. Spore control Using Stop Rust Plumeria rust control spray, treat any remaining rust spores by spraying both sided of affected leaves. The rust-colored patches on undersides of leaves are clusters of sporangia, known as sori (singular: sorus). Many fronds will also bear the reproductive structures of the fern on the underside (abaxial surface) of the frond. the familiar fern, with its visible fronds, is the _____ stage of the plant. - sporangia often appear in clusters on the underside of fronds - annulus facilitates spore dispersal. Fronds are usually composed of a leafy blade and petiole (leaf stalk). The leaves of ferns are often called fronds. Within the sporangia are spore producing cells called sporogenous cells. Fronds - feature of filicales (common ferns) - have a network of veis: vascular tissue - sporangia are on underside of fronds - developmental stage is called fiddlehead; unfurl as they develop. ... which contain spores. The tree fern produces spores on the underside of its fronds. wind; water. The spores of plants that inhabit the edges of bogs or lakes are frequently shed into the water or are carried there by rain and are preserved in the sediments. The reproductive structures are known as spores and are kept within sporangia which are housed within a sorus (plural sori). The sporangia contain spores, when dried out it snaps open and catapults spores out through the air.

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