Green Plants Their Origin and Diversity
... Preface to the second edition New techniques, such as nucleic acid sequencing and refined methods of spectrographic analysis of plant products, have contributed to the continuing vitality of botanical science, and correspondingly the need for a second edition of Green Plants. Sequence analyses have i ...
... Preface to the second edition New techniques, such as nucleic acid sequencing and refined methods of spectrographic analysis of plant products, have contributed to the continuing vitality of botanical science, and correspondingly the need for a second edition of Green Plants. Sequence analyses have i ...
s A Field Guide to the British Seaweeds
... identification. Reproductive structures may also be important for classification and ...
... identification. Reproductive structures may also be important for classification and ...
Management of Aquatıc Plants
... The benefit of aquatic algae and plants to the pond fishery cannot be overestimated, especially since more than 50 percent of pond owners in Pennsylvania consider fishing recreation a major use of their ponds. A healthy and well-balanced fish population is more attainable if significant aquatic pl ...
... The benefit of aquatic algae and plants to the pond fishery cannot be overestimated, especially since more than 50 percent of pond owners in Pennsylvania consider fishing recreation a major use of their ponds. A healthy and well-balanced fish population is more attainable if significant aquatic pl ...
Protists and Fungi
... which means “false foot,” is a temporary extension of cytoplasm and plasma membrane that helps protozoa move and feed. To form a pseudopod, the cell cytoplasm flows outward, forming a bulge. This bulge spreads, anchors itself to the surface it is on, and pulls the rest of the cell toward it. Pseudop ...
... which means “false foot,” is a temporary extension of cytoplasm and plasma membrane that helps protozoa move and feed. To form a pseudopod, the cell cytoplasm flows outward, forming a bulge. This bulge spreads, anchors itself to the surface it is on, and pulls the rest of the cell toward it. Pseudop ...
BIO102 - National Open University of Nigeria
... Algaes, also known as Thallophytes are the simple green plants. They are aquatic plants (lives in water) that are thread like or flat (thallus) bodies with no roots or stems. They inhabit damp places on the land surface. They exhibit a distinct alternation of generation. The sporophyte is always att ...
... Algaes, also known as Thallophytes are the simple green plants. They are aquatic plants (lives in water) that are thread like or flat (thallus) bodies with no roots or stems. They inhabit damp places on the land surface. They exhibit a distinct alternation of generation. The sporophyte is always att ...
Aquatic Plants Their Uses and Risks
... Algae – Unicellular to multicellular organisms that occur in fresh, salt water, or moist ground, and that have chlorophyll and other pigments but lack stems, roots and leaves. Alginate – Alginic acid or algin is an anionic polysaccharide found in the cell walls of brown algae. This compound absorbs ...
... Algae – Unicellular to multicellular organisms that occur in fresh, salt water, or moist ground, and that have chlorophyll and other pigments but lack stems, roots and leaves. Alginate – Alginic acid or algin is an anionic polysaccharide found in the cell walls of brown algae. This compound absorbs ...
Document
... Algae – Unicellular to multicellular organisms that occur in fresh, salt water, or moist ground, and that have chlorophyll and other pigments but lack stems, roots and leaves. Alginate – Alginic acid or algin is an anionic polysaccharide found in the cell walls of brown algae. This compound absorbs ...
... Algae – Unicellular to multicellular organisms that occur in fresh, salt water, or moist ground, and that have chlorophyll and other pigments but lack stems, roots and leaves. Alginate – Alginic acid or algin is an anionic polysaccharide found in the cell walls of brown algae. This compound absorbs ...
The long goodbye: the rise and fall of flavodoxin
... and algae harbour members of the long-chain class exclusively (Pérez-Dorado et al., 2013). Other Gram-negative bacteria may contain Flds from both families, occasionally in the same genome. E. coli, for instance, has at least four genes predicted to encode Flds. Two of them (fldA and fldB) belong to ...
... and algae harbour members of the long-chain class exclusively (Pérez-Dorado et al., 2013). Other Gram-negative bacteria may contain Flds from both families, occasionally in the same genome. E. coli, for instance, has at least four genes predicted to encode Flds. Two of them (fldA and fldB) belong to ...
Phylogeny and evolution of charophytic algae and land plants
... supermatrices (Qiu et al., 2006b, 2007), and chloroplast genome sequences and gene content (Lemieux et al., 2007), although an early morphological cladistic study suggested that land plants may not be a strictly monophyletic group (Sluiman, 1985). This is one of the few major phylogenetic issues for ...
... supermatrices (Qiu et al., 2006b, 2007), and chloroplast genome sequences and gene content (Lemieux et al., 2007), although an early morphological cladistic study suggested that land plants may not be a strictly monophyletic group (Sluiman, 1985). This is one of the few major phylogenetic issues for ...
Presentazione di PowerPoint
... 300 MA ago a great swamp forest encompassed the actual Europe, Ukraine, and USA. The partially decomposed remains of those trees were covered by swamp sediments that became sedimentary rocks. This organic matter formed big deposits of the coal we use today as fossil fuel. ...
... 300 MA ago a great swamp forest encompassed the actual Europe, Ukraine, and USA. The partially decomposed remains of those trees were covered by swamp sediments that became sedimentary rocks. This organic matter formed big deposits of the coal we use today as fossil fuel. ...
Physiological correlates of the morphology of early vascular plants
... needed to supply not only the 5-10 kg H,O retained in shoot material for every kg dry weight increment in shoot growth, but also the 300 or more kg of H,O transpired per kg dry weight gain as a concomitant of CO, fixation (Appendix 2). Since the xylem H,O is under tension (Appendix 1; Pickard, 1981) ...
... needed to supply not only the 5-10 kg H,O retained in shoot material for every kg dry weight increment in shoot growth, but also the 300 or more kg of H,O transpired per kg dry weight gain as a concomitant of CO, fixation (Appendix 2). Since the xylem H,O is under tension (Appendix 1; Pickard, 1981) ...
Chapter 29 Lecture notes
... Bryophytes have the smallest and simplest sporophytes of all modern plant groups, consistent with the hypothesis that larger and more complex sporophytes evolved only later in vascular plants. ...
... Bryophytes have the smallest and simplest sporophytes of all modern plant groups, consistent with the hypothesis that larger and more complex sporophytes evolved only later in vascular plants. ...
1 Introduction 9
... 2006).This damage may lead to altered growth and morphology. However, many plants are able to avoid damage or to repair UV-induced damage.Vascular plants and algae, for instance, showed the ability to produce UVB absorbing compounds that filter out UVB radiation (Schnitzler et al. 1996, Meijkamp et ...
... 2006).This damage may lead to altered growth and morphology. However, many plants are able to avoid damage or to repair UV-induced damage.Vascular plants and algae, for instance, showed the ability to produce UVB absorbing compounds that filter out UVB radiation (Schnitzler et al. 1996, Meijkamp et ...
PLANT KINGDOM Chapter 3
... Later Natural Classification System was developed which were based on natural affinities among the organisms, and considered not only the external features but also internal features like ultra-structure, anatomy, embryology and phytochemistry. Such a classification for flowering plants was given by ...
... Later Natural Classification System was developed which were based on natural affinities among the organisms, and considered not only the external features but also internal features like ultra-structure, anatomy, embryology and phytochemistry. Such a classification for flowering plants was given by ...
Chapter 29 – Plant Diversity I – How Plants Colonized Land
... At least at first, there were relatively few herbivores or pathogens. ...
... At least at first, there were relatively few herbivores or pathogens. ...
BIO208 - National Open University of Nigeria
... divisions in cross and vertical planes it results in a sheet of one or more cells in thickness. Such multicellular thallus may show complicated differentiation as in seaweed. All multicellular algae show the above stages during their development. In the following account you will study the specific ...
... divisions in cross and vertical planes it results in a sheet of one or more cells in thickness. Such multicellular thallus may show complicated differentiation as in seaweed. All multicellular algae show the above stages during their development. In the following account you will study the specific ...
The distribution and history in the British Isles of some alien species
... (1956) said it is quite common in this area in recent years on waste ground and railway embankments. Gardens must have provided the source of all the early, i.e. primary, records. Early herbarium specimens of known garden cultivation come from diverse, widely separated places, e.g. in and near Leice ...
... (1956) said it is quite common in this area in recent years on waste ground and railway embankments. Gardens must have provided the source of all the early, i.e. primary, records. Early herbarium specimens of known garden cultivation come from diverse, widely separated places, e.g. in and near Leice ...
The Plant Kingdom: Seedless Plants
... What are some features of plants that have let them colonize so many types of environments? One important difference (a) between plants and algae is that a waxy cuticle covers the aerial portion of a plant. Essential for existence on land, the cuticle helps prevent desiccation, or drying out, of pla ...
... What are some features of plants that have let them colonize so many types of environments? One important difference (a) between plants and algae is that a waxy cuticle covers the aerial portion of a plant. Essential for existence on land, the cuticle helps prevent desiccation, or drying out, of pla ...
Species ID codes - Master.CDR - Seagrass
... Note and count any other features which may be of interest (eg. number of shellfish, sea cucumbers, sea urchins, evidence of turtle feeding) within the comments column. ...
... Note and count any other features which may be of interest (eg. number of shellfish, sea cucumbers, sea urchins, evidence of turtle feeding) within the comments column. ...
Land Plants - a quick review - U.W.
... The largest group of non-vascular land plants, however, are the Bryophytes (hornworts, liverworts, mosses). The bryophytes may be divided into 3 separate phyla. ...
... The largest group of non-vascular land plants, however, are the Bryophytes (hornworts, liverworts, mosses). The bryophytes may be divided into 3 separate phyla. ...
Early Plant Life
... OpenStax College This work is produced by OpenStax-CNX and licensed under the ...
... OpenStax College This work is produced by OpenStax-CNX and licensed under the ...
Percent cover standards - Seagrass
... First estimate how much of the blade surface is covered, and then how many of the blades in the quadat are covered (e.g., if 20% of the blades are each 50% covered by epiphytes, then quadrat epiphyte cover is 10%). Step 9. Describe other features and ID/count of macrofauna ...
... First estimate how much of the blade surface is covered, and then how many of the blades in the quadat are covered (e.g., if 20% of the blades are each 50% covered by epiphytes, then quadrat epiphyte cover is 10%). Step 9. Describe other features and ID/count of macrofauna ...
Seagrasses
... Posidona meadows in Mediterranean and Australia - one individual may cover 10 m2! - Genetic work to ID individual genets ...
... Posidona meadows in Mediterranean and Australia - one individual may cover 10 m2! - Genetic work to ID individual genets ...