Angiosperms, Biology

Assignment Help:

Angiosperms are the flowering plants. They first appeared at least 110 million years ago from the unknown gymnosperm ancestor, these flowering plants have risen to dominance in the majority of the world's floras. The male gametophyte is 2-3 cells limited within the pollen grain; the female gametophyte is generally eight cells contained within an ovule which is retained on sporophyte phase of the plant's life cycle.


Related Discussions:- Angiosperms

Are sex-linked diseases associated only to genes, Are sex-linked diseases a...

Are sex-linked diseases associated only to genes of the X chromosome? There are many X-linked diseases, like hemophilia A, hemophilia B and adrenoleukodystrophy, but called as

Explain the spring clip model, Q. Explain the Spring clip model? The sp...

Q. Explain the Spring clip model? The spring clip model differs from the spring model in a way that the force applied is comparatively slower. This also depicts elasticity or p

Contractile vacuole - protozoans, Contractile vacuole - Protozoans The...

Contractile vacuole - Protozoans The contractile vacuoles may differ in complexity in various groups of protozoans. In amoebae the vacuoles are carried around in the cytoplasm

Immediate cardiac care (24- 72 hours) after operation, Immediate Care (24...

Immediate Care (24- 72 hours) All monitoring and medications continued. Flushing of arterial lines are done at regular intervals with heparin flush as well as whenever art

Define changes in food due to concentration process, Define Changes in Food...

Define Changes in Food due to Concentration Process? Obviously concentration that exposes food to 100°C or higher temperatures for prolonged periods can cause major changes in

Explain management of ledge - non-surgical endodontic, Explain Management o...

Explain Management of Ledge - Non-Surgical Endodontic Retreatment Place a bend of approximately 45 degree in the apical 1-2 mm of a #15 to 25 file. By gentle reciproca

Freshwater biomes, Low levels of dissolved salts characterise the freshwate...

Low levels of dissolved salts characterise the freshwater biomes. The salt content of fresh water is about 0.005 percent. The freshwater biomes consist of inland bodies of standing

Define the effect of niacin deficiency on nervous system, Define the effect...

Define the effect of niacin deficiency on Nervous System? Delirium is the most common -mental disturbance in acute pellagra. Dementia is more frequently seen in the chronic cas

The regulation mechanism of glycogenolysis, The  regulation mechanism invo...

The  regulation mechanism involves: a)  The hormones catecholamines (epinephrine, norepinephrine) and glucagon cause the increase in CAMP levels in cells. This CAMP activates p

Neontology, Neontology : It is the study of recently formed organisms. Neon...

Neontology : It is the study of recently formed organisms. Neontology science is the part of biology that is in contrast to paleontology. Neontology science deals with now living o

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