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. Discuss at least one difference in environmental conditions experienced
by early land plants and ancestral complex streptophyte algae.
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- Green algae are believed to be the ancestors of the bryophyte. Cite four distinct lines of evidence to support this belief.Identify the node representing a common ancestor with a sporophyte dominant lifestyleMatch the following clades with the characteristics that they share Clades: Bryophytes and Tracheophyta Embryophyta and Charophycea Chlorophyta and Streptophyta Bryophytes and Tracheophyta Characteristics: -Chlorophylls a and b are autotrophic -Alternation of generations -Rosettes in the plasma membrane -Sporangia with walled spores
- What is diversity? Describe diversity with reference to sporophyte ofPteridophytesIdentify four derived traits that distinguish plants from charophyte green algae and facilitate life on land. Explain.Compare and contrast the three bryophyte groups in terms of distinguishing morphoanatomical features, reproduction, diversity and habitat. Bryophyte Group Criteria Hornworts Liverworts Mosses Gametophyte Morphology Dioicous/Monoicous* Asexual Reproduction Presence of conducting cells Photosynthetic Parts Presence of Stomata Presence of Cuticle Sporophyte Morphology/Appearance Other Distinct Features/Structures Habitat/Distribution No. of Species Worldwide Summary of Key Similarities Summary of Key Differences
- Horsetalls are a group of seedless vascular plants are often representative of a separate evolutionary line of Pteridophytes. The photo below illustrates an unusual difference between the Pteridophytes and the Equisetales. Which answer below best represents this unusual difference? a Equisetales have a separate vegetative and fertile shoots Equisetales are gametophyte dominant Equisetales don't produce spores Equisetale sporophytes are nutritionally dependent upon the gametophyte phase MacBooThe picture below shows a living member of the Pteridophytes. Make a sketch of the specimen and label the following structures: sporophyte, frond, pinna, rhizome, root (Alternatively, you can find a live fern with all these structures and take a picture, label it and upload here.)Compare and contrast the three phyla of bryophytes using the specified bases in the Table below. Bases Hepatophyta Anthocerotophyta Bryophyta 1. Growth form (leafy or thallose) 2. Arrangement of leaves on the stem for leafy types 3. Mechanism of spore dispersal 4. Presence of stomata on the sporophytes 5. Presence of primitive conducting cells 6. Presence of chloroplast on the sporophyte 7. Structure of the protonema 8. Presence of symbiotic cyanobacteria 9. Length of the seta
- In sumnmary, match each term or phrase with the correct phylum. Note answers can be used more than once or not at all! chlorophyll c and fucoxanthin V [Choose ] Chlorophyta Rhodophyta the only group in this lab to show coenocytic filaments Phaeophyta the only group in this lab to show pseudoparenchymatous tissue organization [ Choose ] store reserves as floridean starch [Choose ] chlorophyll b and carotenoids [ Choose] the groups closest relatives to [ Choose] cyanobacteriumBryophytes can be found in every type of habitation, except in the oceans, thus reflecting the progressive species expansion occurred along the evolution. However, bryophytes rarely succeed in the ecosystem. Why do you think so? Give three reasons.Compare and contrast the following terms: A. Pterophyte and pteridophyte B. Thallophyte and tracheophyte C. Cryptogram and phanerogam