Periodicity - qualitative characters, Biology

Assignment Help:

Periodicity (Phenology, Aspection)

It refers to the study of seasonal changes in the community, that is, the periodic phenomena of organisms in relation to their climate. Periodicity is a strongly fixed characters in plants. Different species of plants have different periods of seed germination, vegetative growth, flowering and fruiting, leaf fall, seed and fruit dispersal, and dissemination of seeds.

Such data for each species in a community is recorded. A study of the data and time of these events is termed as phenology. In other words, phenology is the calendar of events in the life history of a plant. Diagrammatic representation of such events is known as phenograms.


Related Discussions:- Periodicity - qualitative characters

Hemerythrins - respiratory pigments, Hemerythrins - Respiratory Pigments ...

Hemerythrins - Respiratory Pigments The Hemerythrins are rather rare. They take place in some animals belonging to the minor phyla like the sipunculid worms, some brachiopods,

Define health effects related to probiotics, Define Health Effects related ...

Define Health Effects related to Probiotics? Several lines of evidence support the conclusion that normal gut microflora are involved in resistance to disease, especially gastr

What are proteins and why they are important for us, What are Proteins and ...

What are Proteins and Why they are important for us? We just read that proteins are essential for maintaining and sustaining life. What are proteins or what constitutes protein

Test of deep vein thrombophlebitis, Test of Deep vein Thrombophlebitis ...

Test of Deep vein Thrombophlebitis Place blood pressure cuff on unaffected calf and inflate until pain is elicited (usually greater than 150 mm Hg).  Place blood press

Define drug effects on food intake - causes taste changes, Define drug effe...

Define drug effects on food intake - Causes Taste Changes? Several drugs can cause an alteration in taste sensation, reduced acuity of taste sensation or leave an unpleasant af

Rituals , Rituals: The social life of  the earliest human groups or tri...

Rituals: The social life of  the earliest human groups or tribes revolved around food gathering. To begin with, they must have collected anything they could eat-seeds,  nuts, f

Determine how many family full-time family doctors, 1.  In the town of Jasp...

1.  In the town of Jasper, CA, there is currently one full-time family doctor. If the town's population grows at a steady rate of 14% per year, how many family full-time family doc

Sericulture industry, in sericulture industry do which stages of silkworm w...

in sericulture industry do which stages of silkworm weaver buy? why do they do so?

Discuss in short about soil, Discuss in short about soil " The collecti...

Discuss in short about soil " The collection of  natural bodies in the Earth's surface, in places modified or even made by man of Earthy materials, containing living matter  an

Study of human age pyramids, Q. What are the analyses provided by the study...

Q. What are the analyses provided by the study of human age pyramids? The study of human age pyramids able to provide the following analyses, proportion of individuals at an ec

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