Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. Why are pteridophytes better adapted to dry land than bryophytes?
Were pteridophytes always less abundant than phanerogamic plants?
Although pteridophytes and bryophytes have water-dependant gametes for fecundation the emergence of conductive vessels in this last group facilitated life in a terrestrial environment. The conductive vessels of the pteridophytes collect water from the moist soil and distribute it to the cells and Bryophytes do not have this alternative and they depend entirely on the water that reaches the aerial part of the plant and so they need to live in rainy or humid places.
Before the ascension of the phanerogamic plants (plants that present seeds) the pteridophytes were the plants that predominated in the terrestrial environment and the large pteridophyte forests of the Carboniferous period (named after the pteridophytes) are responsible for the formation of coal deposits that mainly in Asia, Europe and North America the Carboniferous period occurred between 290 and 360 million years ago and is part of the Paleozoic era.
Classifying Organisms You have now seen that the binomial nomenclature gives each species a unique and unambiguous name. It is necessary lo group species into genera and gener
The first ever australopithecine fossil was found in 1924 at Taung, South Africa. It was the skull of a 6 year old child showing a mixture of human and ape like features. This a
Biopathways 1. Find out pathway information about these proteins using the Human Reactome. O00327 O14503 O75586 O95096 P01137 P01308 P06744 P08240 P12
Explain anterior pituitary gland secretes hormones The anterior pituitary gland secretes hormones that elevate the blood glucose and therefore antagonize the action of glucose
Q. What are age pyramids? Age pyramids are the graphical representations in form of superposed rectangles each representing the number of individuals included in age ranges int
57. While planning for an artificial hybridisation programme involving dioecious plants, which of the following steps will be irrelevant A usting of pollen on stigma B Collection
Q. How long is the incubation period of the HIV? What is meant by acute AIDS? The incubation period of the HIV that the time interval between the infection and the beginning of
Q. Observation of Hemichordata ? • identify Balanoglossus as a hemicliordate and give its scientific and common name. • classify Balanogiossus LIP to the level of order.
ABSORPTIO N OF FOOD Absorption from Mouth Here negligible tobacco, alkohal and some medicines as isoprenailne glycerol tri nitrite is absorbed. Absorptio n from Sto
Japanese encephalitis The Japanese encephalitis is a mosquito-born flavivirus infection that causes encephalitis in human and equines and abortion in pigs, caused by Japanese
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd