What are the Difference between lower and higher plants?

Answer 1

differentiate between a higher and a lower plant.

Best Answer - Chosen by wadullah ghanim gulli duhok -faculity horticulture & forestsLower Plants

'Lower plants' is a collective term for three mains groups of plants, mosses, liverworts and lichens which do not have roots and produce spores to reproduce, rather than flowers. Mosses and liverworts have stems and leaves and attach themselves to rocks, soil or trees using modified stems called rhizoids.

Mosses and liverworts are reliant on mild, damp conditions to flourish as most of the species have limited ability to retain water. This makes the woodlands of the west Highlands among the richest habitats in Europe for mosses and liverworts, and Sunart is one of the most outstanding areas for the number of different species it supports. For example, over 300 species of mosses and liverworts have been recorded here, including several species which only survive at sites with long historical continuity of woodland cover.

Lichens are two plants, a fungus and an alga, which grow together in close association (symbiosis). Lichens tend to grow more profusely in areas which are more open to sunlight than is the case with mosses and liverworts, but are highly sensitive to atmospheric pollution. It is testament to the outstanding air quality at Sunart that over 200 species of lichen are known to grow in the area, with one species found in its only known location in Britain.

The acidity of tree bark influences the development of lichens, with less acidic bark being a more equable substrate for lichens to grow on. Hence hosts which have less acidic bark, including such species as ash and hazel, and older trees in general, can develop very rich assemblages of lichens. Continuity of tree cover is also important as it is thought that some species of lichen can take as much as 100 years to establish.

Vascular plant ALSO HIGHER PLANTS

Fossil range: Early Silurian - Recent

Scientific classification

Kingdom: Plantae (in part)

Divisions

Non-seed-bearing plants

Equisetophyta

Lycopodiophyta

Psilotophyta

Pteridophyta

Superdivision Spermatophyta

Pinophyta

Cycadophyta

Ginkgophyta

Gnetophyta

Magnoliophyta

The vascular plants are plants in the kingdom Plantae (also called plantae) that have specialized tissues for conducting water, minerals, and photosynthetic products through the plant. Vascular plants include the ferns, clubmosses, horsetails, flowering plants, conifers and other gymnosperms. Scientific names are Tracheophyta and Tracheobionta, but neither is very widely used. Nonvascular plants include both earlier-derived lineages in Plantae (mosses, hornworts, and liverworts) and members of other kingdoms (the various algae).

The vascular plants are set apart in two main ways:

Vascular plants have vascular tissues, which circulate resources through the plant. This feature allows vascular plants to evolve to a larger size than non-vascular plants, which lack these specialized conducting tissues and are therefore restricted to relatively small sizes.

In vascular plants, the principal generation phase is the sporophyte, which is diploid with two sets of chromosomes per cell. In non-vascular plants, the principal generation phase is often the gametophyte, which is haploid with one set of chromosomes per cell. See also alternation of generations and life history.

Water transport happens in either xylem or phloem: xylem carries water and inorganic solutes upward toward the leaves from the roots, while phloem carries organic solutes throughout the plant. Group of plants having lignified conducting tissue (xylem vessels or tracheids).

Answer 2

differentiate between a higher and a lower plant.

Best Answer - Chosen by wadullah ghanim gulli duhok -faculity horticulture & forestsLower Plants

'Lower plants' is a collective term for three mains groups of plants, mosses, liverworts and lichens which do not have roots and produce spores to reproduce, rather than flowers. Mosses and liverworts have stems and leaves and attach themselves to rocks, soil or trees using modified stems called rhizoids.

Mosses and liverworts are reliant on mild, damp conditions to flourish as most of the species have limited ability to retain water. This makes the woodlands of the west Highlands among the richest habitats in Europe for mosses and liverworts, and Sunart is one of the most outstanding areas for the number of different species it supports. For example, over 300 species of mosses and liverworts have been recorded here, including several species which only survive at sites with long historical continuity of woodland cover.

Lichens are two plants, a fungus and an alga, which grow together in close association (symbiosis). Lichens tend to grow more profusely in areas which are more open to sunlight than is the case with mosses and liverworts, but are highly sensitive to atmospheric pollution. It is testament to the outstanding air quality at Sunart that over 200 species of lichen are known to grow in the area, with one species found in its only known location in Britain.

The acidity of tree bark influences the development of lichens, with less acidic bark being a more equable substrate for lichens to grow on. Hence hosts which have less acidic bark, including such species as ash and hazel, and older trees in general, can develop very rich assemblages of lichens. Continuity of tree cover is also important as it is thought that some species of lichen can take as much as 100 years to establish.

Vascular plant ALSO HIGHER PLANTS

Fossil range: Early Silurian - Recent

Scientific classification

Kingdom: Plantae (in part)

Divisions

Non-seed-bearing plants

Equisetophyta

Lycopodiophyta

Psilotophyta

Pteridophyta

Superdivision Spermatophyta

Pinophyta

Cycadophyta

Ginkgophyta

Gnetophyta

Magnoliophyta

The vascular plants are plants in the kingdom Plantae (also called plantae) that have specialized tissues for conducting water, minerals, and photosynthetic products through the plant. Vascular plants include the ferns, clubmosses, horsetails, flowering plants, conifers and other gymnosperms. Scientific names are Tracheophyta and Tracheobionta, but neither is very widely used. Nonvascular plants include both earlier-derived lineages in Plantae (mosses, hornworts, and liverworts) and members of other kingdoms (the various algae).

The vascular plants are set apart in two main ways:

Vascular plants have vascular tissues, which circulate resources through the plant. This feature allows vascular plants to evolve to a larger size than non-vascular plants, which lack these specialized conducting tissues and are therefore restricted to relatively small sizes.

In vascular plants, the principal generation phase is the sporophyte, which is diploid with two sets of chromosomes per cell. In non-vascular plants, the principal generation phase is often the gametophyte, which is haploid with one set of chromosomes per cell. See also alternation of generations and life history.

Water transport happens in either xylem or phloem: xylem carries water and inorganic solutes upward toward the leaves from the roots, while phloem carries organic solutes throughout the plant. Group of plants having lignified conducting tissue (xylem vessels or tracheids).

Answer 3

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