Embryology in relation to taxonomy, Biology

Assignment Help:

Q. Embryology in relation to taxonomy?

Embryological information has been used for taxonomic purposes at various levels of classification. You know of a very basic division of the plant kingdom into 2 units; the Thallophytes and the Embryophyta where plants are recognised on the basis of the behaviour of the zygote in addition to other characters.

1. Anther
2. Quadripartition of the microspore mother cell.
3. Pollen grain.
4. Development and structure of the ovule.
5. Origin and extent ,of the sporogenous tissue in the ovule.
6. Megasporogenesis and development of the embryo sac.
7. Form and organisation of the mature embryo sac.
8. Fertilisation.
9 .' Endosperm.
10. Embryo.
11. Seed-coat.
12. Special features.

In the same way you are also aware that the characters of the embryo along with several other features provide the basis for the division of the angiosperms into 2 major groups, the monocotyledons and the dicotyledons.


Related Discussions:- Embryology in relation to taxonomy

Difference between the concepts of karyotype and genome, What is the differ...

What is the difference between the concepts of karyotype and genome? Genome is the set of DNA molecules that characterizes each living being or every species. The concept then

Illustrate the tear flow direction of drainage, Illustrate the tear flow di...

Illustrate the tear flow direction of drainage. Tear Drainage: Tear are drained by the combined action of gravity, capillary action and lid movements (Lacrimal pump)

Absorption of lipids, Absorption of lipids Absorption of lipids is qui...

Absorption of lipids Absorption of lipids is quite different from the absorption of monosaccharides and amino acids. Figure shows the process. The free fatty acids, monoglycer

Emulsion products, E m u l s io n products Ground meat products s...

E m u l s io n products Ground meat products such as sausages, patties and luncheon meats are emulsion based products and their quality depends upon the ability of lean m

What is the spontaneous generation hypothesis, What is the spontaneous gene...

What is the spontaneous generation hypothesis? The spontaneous generation hypothesys, or abiogenesis, asserts that life on earth has come from nonliving material. For instance,

How the allele frequencies in a population, A dominant allele will always i...

A dominant allele will always increase in frequency over time. Yes No Q44. When a gene has two alleles, the allele frequencies in a population automatically move toward an equilibr

Low output versus high output heart failure, Most forms of cardiac diseases...

Most forms of cardiac diseases, like hypertension, valvular diseases and coronary artery diseases manifest as low output heart failure. Systemic vasoconstriction with cold extremit

Non-extractive use values, Some activities that make use of biological reso...

Some activities that make use of biological resources, without involving their extraction or destruction, denote non- extractive use of biological resources. This includes ecotouri

Symptoms of ulcerative colitis, Q. Symptoms of ulcerative colitis? As d...

Q. Symptoms of ulcerative colitis? As discussed in the case study above, the common symptoms are: 1. Mild abdominaI discomfort, an urgent need to defecate several times a da

Explain class adverse effects of protease inhibitors, Explain Class adverse...

Explain Class adverse effects of Protease inhibitors   Many protease inhibitors can cause gastrointestinal distress, increased bleeding in hemophiliacs, hyperglycemia, insulin r

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd