Question

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use the cladogram to classify chlamydomonas, volvox, moss, liverworts, ferns, flowers, cones, rhizopus, penicillium, mushroom

Answer 1

1. Chlamydomonas, Volvox have nucleus, Chloroplasts with chlorophylls and cellulosic cell walls. they belong to algae. chlamydomonas is a unicellular form and volvox is the colonial form.

2. Liverworts, Mosses belong to bryophytes where gametophytic phase is the dominant phase of life cycle. Here the plants have specialized cells like Jacket cells around the sex organs, cells that produce leaf like and root like (rhizoids) structures.

3. Ferns belong to pteridophytes having leaves, roots, stem or rhizome. presence of vascular system- Xylem and Phloem and lignin in their cell walls.

4. Cones are the reproductive structures of gymnosperms. Gymnosperms are included in seed plants along with angiosperms.

5. Flowers are the reproductive structures of angiosperms or flowering plants. they also produce seeds.

6. Rhizopus, Penicillium and Mushroom are the organisms which belong to Fungi. Fungi are chahrcaterized by presence of nucleus (eukaryotes), chitin in their cell wall and presence of various specilaized cells particularly spore producing cells.