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Identify:
12. In Phaeophytes, this refers to the alternation of generation between morphologically similar sporophyte and gametophyte generation.
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- a. Choose four (4) characteristics best describe an Equisetum Wide and flattened achlorophyllous leaves Commonly found in damp and marsh environment Deep root system with rhizomes that produce many terrestrial stems. Photosynthetic stem Heterosporous, whereas microspore produce male and megaspore produce female gametes Strictly reproduce sexually Shoots are two types, fertile and sterileIdentification: 1. In the moss gametophyte, this structure contains the haploid female gamete. 2. It refers to the production of two different types of spores (megaspore and microspore). 3. The embryos of corn and other grass seeds are partial enclosed in a protective sheath called?Identify: 1. A cell division characteristic of the Charophyta and higher plant marked by the breakdown of the nuclear envelope early in mitosis. 2. A cell division characteristic of the chlorophytes whereby nuclear envelope remains intact early in mitosis. 3. It refers to the parallel arrangement of microtubules relative to the plane of cell division during cytokinesis in the Chlorophyta. 4. It refers to the perpendicular arrangement of microtubules relative to the plane of cell division during cytokinesis in the Charophyta.
- a. Choose four (4) characteristics best describe an Equisetum Wide and flattened achlorophyllous leaves Commonly found in damp and marsh environment Deep root system with rhizomes that produce many terrestrial stems. Photosynthetic stem Heterosporous, whereas microspore produce male and megaspore produce female gametes Strictly reproduce sexually Shoots are two types, fertile and sterile b. Which of the following is not the main characteristics of Liverworts. Choose 3 The columella is absent in the capsule Pseudolaters are present in the capsule gametophyte plant is either thalloid or foliose dehiscence of the capsule takes place by separation of the lid each cell has one chloroplast with a pyrenoid c. Polypodium polypodioides is a type of fern that can withstand extreme dehydration by curling its fronds and shriveling its leaves. Once it is in contact with water, this plant will resurrect. Choose two…Label the following: Root / Sporophyte / Antheridium / Archegonium4) Draw the moss gametophyte and sporophyte, and label the following structures: gametophyte male plant female plant foliage (bladelike structures) rhizoids sporophyte (stalk & capsule)
- Figure 25.24 Which of the following statements about the fern life cycle is false? Sporangia produce haploid spores. The sporophyte grows from a gametophyte The sporophyte is diploid and the gametophyte is haploid. Sporangia form on the underside of the gametophyte.Figure 25.14 Which of the following statements about the moss life cycle is false? The mature gametophyte is haploid. The sporophyte produces haploid spores. The calyptra buds to form a mature gametophyte. The zygote is housed in the venter.Figure 23.28 Which of the following statements about the Laminaria life cycle is false? In zoospores form in the sporangia. The sporophyte is the 2n plant. The gametophyte is diploid. Both the gametophyte and sporophyte stages are multicellular.
- Match the terms with the most suitable description. ____ ovule a. pollen tube together with its contents ____ receptacle b. consists of seven cells, one with two nuclei ____ double fertilization c. after fertilization, develops into a seed ____ anther d. embryonic shoot ____ plumule e. pollen sacs inside ____ mature female gametophyte f. swollen stem; base of flower ____ mature male gametophyte g. formation of zygote and first cell of endospermWhich of the following features does not support the inclusion of Charophytes in the Plantae kingdom? Charophyte chloroplasts contain chlorophyll a and b Charophyte plant cell walls contain plasmodesmata to allow transfer between cells within multicellular organisms Charophytes do not exhibit growth throughout the entire plant body Charophytes are multicellular organisms that lack vascular tissue.The following structures are found on the underside of fern leaves and contain sporangia: sori rhizomes megaphylls microphylls