sporangium वाक्य
उदाहरण वाक्य
मोबाइल
- Another adaptation of " Pilobolus " is that the sporangium is covered in calcium oxalate crystals.
- In water, chlamydospores germinate by producing short germ tubes, each with a sporangium at the tip.
- Once the plant dies, more sporangium can form, release zoospores, and repeat the infection cycle.
- In one specimen, two stomata were found immediately below the attachment of a sporangium to the stem.
- In all seed plants, spores are produced by meiosis and develop into gametophytes while still inside the sporangium.
- Further, the axis thickness is what would be expected if its sole role was to support a sporangium.
- The transition to ovules continued with this megaspore being " boxed in " to its sporangium while it germinates.
- This distinguishes polysporangiophytes from liverworts, mosses and hornworts, which have unbranched sporophytes each with a single sporangium.
- Turgor pressure builds inside of the swelling until it ruptures, and the sporangium is hurled for 2 meters.
- Nematodes have been observed climbing the sporangiophore or swimming inside of it to catch a ride on the sporangium.
- In bryophytes, the sporophyte is a simple unbranched structure with a single spore-forming organ ( sporangium ).
- These ferns are called " leptosporangiate " because their annulus around the sporangium, which ejects the spores.
- To release its spores, a sporangium split into two'valves'along a thickened margin at the top.
- Unlike other members of the Mucorales, " Cunninghamella " species produce only one spore in each sporangium.
- In meiotic sporogenesis, a diploid spore mother cell within the sporangium undergoes meiosis, producing a tetrad of haploid spores.
- This releases cytoplasm, which is used to glue the upper portion of the swelling containing the sporangium to the substrate.
- As in all the tree ferns, the ring is oblique and complete, not interrupted by the foot of the sporangium.
- At maturity the sporangium is topped by a flattish disk ( an operculum ) and releases its spores when this breaks up.
- Two hyphae of different mating type encounter each other, and their tips undergo a haploid nuclei like those in the vegetative sporangium.
- Ferns typically produce large diploid sporophytes with rhizomes, roots and leaves; and on fertile leaves called sporangium, spores are produced.
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