http://faculty.valenciacollege.edu/tklenk/bio2labs/bio2labs/fernlab.htm WebExamine a prepared slide of a longitudinal section of a fern prothallus bearing archegonia. These structures are more elongated than the antheridia. Fern archegonia have the same general structure as those of the bryo phytes but are smaller and the venter is embedded in the prothallial tissue Label the neck, venter, and prothallus in Figure 12.9.
Fern, prothallium, antheridia and archegonia, WM Microscope …
WebFern Reproduction – prothallium (gametophyte) Procedure– view prepared slides of fern archegonia and antheridia, draw and label these structures Procedure - View prepared slide of young sporophyte growing from the prothallium, draw and label these structures Other seedless vascular plants WebNew Year's Day - Closed. Easter Sunday - Closed. Thanksgiving Day - Closed. Christmas Eve - 11 a.m. to 3 p.m. Christmas Day - Closed. Extended summer hours until 7 p.m. on … fisher scientific order tracker
21.4: Ferns (Class Polypodiopsida) - Biology LibreTexts
WebIf the fern spores land in a habitable environment, they can grow into a tiny plant called the gametophyte. This intermediate, short-lived plant has 2 sets of reproductive organs – the antheridia (male) and the archegonia (female). In suitably moist conditions, fertilization takes place either on the same gametophyte or an adjacent one. WebFerns have been better competitors with seed plants than other seedless vascular plants, and are a conspicuous part of the landscape throughout the world, but especially in the tropics, where 75% of their 12,000 species … Web14) Observe a prepared slide labeled “Fern prothallium, archegonia” or “Fern archegonia,” and “Fern prothallium, antheridia”. Refer to page 91 in the Photographic Atlas. Make drawings and label the following structures: archegonia, antheridia, sperm, ovum (you will not be able to see sperm and ovum, but note which structure each ... can a moth bite