Explain the behaviour of pteridophytes, Biology

Assignment Help:

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.


Related Discussions:- Explain the behaviour of pteridophytes

Signaling molecules with intracellular receptors, Little  lipophilic  (lipi...

Little  lipophilic  (lipid-soluble)  hormones  distribute  across  the plasma  membrane and  then  interact  with  intracellular  receptors  in  the  nucleus/cytosol.  The receptor

Define absorption of calcium from dietary calcium supplement, Define Absorp...

Define Absorption of Calcium from dietary calcium supplements? Absorption from dietary calcium supplements is important to know, since they are almost universally recommended f

Define locust bean gum, Locust Bean Gum Locust bean gum (also called Ca...

Locust Bean Gum Locust bean gum (also called Carob bean gum) is extracted from the seed (kernels) of the carob tree (Ceratonia siliqua). Structurally, locust bean gum is compos

What is temporal lobe, Mention where the following are located in the human...

Mention where the following are located in the human brain, and give single function of each: a) Temporal lobe b) Cerebellum c) Corpus callosum

How to reduce the toxicity of a chemical in the body, Which process may not...

Which process may not reduce the toxicity of a chemical in the body?

What is risk, What is Risk  Risk  :  A function of the probability o...

What is Risk  Risk  :  A function of the probability of an adverse effect and  the magnitude of that  effect,  consequential to hazard(s)  in food.

Explain a home-made wormery, A home-made wormery A wooden box 30 cm by ...

A home-made wormery A wooden box 30 cm by 30 cm by 15 cm fitted with a glass front is beneficial for studying the habits of earth-worms. Fill the box nearly to the top with

Explain cardiac examination auscultation and its techniques, Explain cardia...

Explain cardiac examination auscultation and its techniques? Auscultation of the heart sound and associatcd sound is very important to diagnose the cardiovascular diseases. It

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