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1. Label the microphylls and strobili in the Figure 1 below. Figure 1. Lycopodium sp. Examine...
Phylum Hepatophyta: Liverworts Like the moss, liverworts begin as a haploid spore. As a liverwort spore germinates, it develops into a flat, lobed, leaf-like structure called a thallus. The thallus grows prostrate with the ground’s surface, forming rhizoids that anchor it in place. Liverworts reproduce asexually primarily by fragmentation; however, some liverworts may also reproduce asexually by bundles of tissue called gemmae. In many liverworts, gemmae develop in small cup-like structures called gemmae cups. Splashed from the cups by rain,...
label figure 10.16 and 10.17 a. Look for tetrads of spores. Are the spores haploid or diploid The claters? 14) b. What is the function of the elaters? 2. Examine a prepared slide of a longitudinal section of Marcha prophytes. The sporophytes of Marchant are smaller and less conspicuous than those of the mosses. Several stages of development may be seen. Youn sporophytes show little cellular differentiation. In more mature sporophytes, a b al foot, a mid-region seta, and a...
b ory Marvel Observation Flowering Plant Life Cycle Use Figure 10.6 as a guide to describe the life cycle of flowering plants 1. The parts of the flower involved in reproduction are the and the 2. The there the top of the same has two sacs, which produce - by meiosis. 3. Within an ovule, a megaspore mother sellepoes meliosis to produce four three of which die 4. A microspore underpoes mitosis and becomes a - the male gametophyte. 5....