
|
|
Dictionary » R » Roots Rootsroot sheath One of the epidermic layers of the hair follicle: external root sheath is continuous with the stratum basale and stratum spinosum of the epidermis; internal root sheath comprises the cuticle of the internal roots, huxley's layer, and henle's layer. ![]()
Please contribute to this project, if you have more information about this term feel free to edit this page ![]()
Results from our forumNeed help preping for exam... at the rocky intertidal you will notice most seaweeds (algae) are flimsy in comparison to trees, etc. The water provides support. They don't have roots because they don't need them. Instead algal blades sometimes have holdfasts which simply keep the blade attached to the rock. The blade-water ...
See entire post
Re: Any other explanations other than Mutation?... where tetrapodomorphs lived was sort of like a modern-day mangrove swamp, where movement through water was often restricted by dense tree roots. It's possible that sturdy fins, gradually evolving into primitive legs, would have been more efficient for "climbing" or "crawling" ...
See entire post
Re: Natural selection is proven wrong... we have today. There's a lot of truth in this, since the Greeks contributed significantly to humanity's intellectual development. However, the roots of science can be traced back even further than the Greeks, at least as far as the Babylonians and Egyptians. I know, I'm a history nerd! And ...
See entire post
a SUPER DUPER DIFFICULT QUESTION!!!! PLEASE HELP!!!!!!... in long-distance transport within a plant. For example, diffusion from one end of a cell to the other takes seconds, but diffusion from the roots to the top of a giant redwood would take decades or more... In xylem, it is actually tension (negative pressure) that drives long-distance transport... ...
See entire post
changes in mass of plants in relation to transpirationHi im uncertain about this experiment which is used in my text book: Two plants, one with the roots intact and the other with its roots removed are kept in beakers of water in identical conditions The mass of the plants was measured each hour, and the results showed that ...
See entire post
This page was last modified 21:16, 3 October 2005. This page has been accessed 3,032 times. |
© Biology-Online.org. All Rights Reserved.
Register | Login
| About Us | Contact Us | Link to Us | Disclaimer & Privacy
Science Network - Braintrack.com - University Directory | Chemicool.com - Chemistry