Why heartwood differs from sapwood, Biology

Assignment Help:

Heartwood differs from sapwood in:

1. Presence of rays and fibres

2. Absence of vessels and parenchyma

3. Having dead and non-conducting elements

4. Being susceptible to pests and pathogens

 

Having dead and non-conducting elements

 


Related Discussions:- Why heartwood differs from sapwood

Parthenocarpy, Parthenocarpy It is generally observed that the fruit d...

Parthenocarpy It is generally observed that the fruit develops after fertilization and it has fertile seeds inside it. However, this is not always so. Fruits of certain variet

Determine the types of emulsions, Determine the types of Emulsions? A f...

Determine the types of Emulsions? A food emulsion is basically a two phase system consisting of a liquid, such as oil, wax or essential oil and water. An emulsion has 3 parts -

Illustrate physiological evidence, Q. Illustrate Physiological Evidence ? ...

Q. Illustrate Physiological Evidence ? Physiological and biochemical evidence is providing data of increasing importance to plant systematic. Recently, it has become apparent t

Define titrimetric estimation of carbohydrates, Define Titrimetric Estimati...

Define Titrimetric Estimation of Carbohydrates? The Fehling's Soxhlet method is the commonly used method for titrimetric estimation of carbohydrates. In the following section y

Cytokinins - apical dominance, Cytokinins - Apical Dominance Cytokinin...

Cytokinins - Apical Dominance Cytokinins are also involved in the regulation of apical dominance. Wickson and Thimann studied the interaction of cytokinins and auxins in contr

Explain about the toxicity of pyridoxine, Explain about the Toxicity of pyr...

Explain about the Toxicity of pyridoxine? Though toxicity related to pyridoxine intake are rare, but use of high doses of pyridoxine for the treatment of pre-menstrual syndrom

Shivering - heat production, Shivering - Heat Production The mechanis...

Shivering - Heat Production The mechanism of thermogenesis with which we are more familiar is shivering and all adult birds and mammals seem to use these mechanism. Shivering

Nursing diagnosis, Nursing Diagnosis Nursing diagnosis are judgemen...

Nursing Diagnosis Nursing diagnosis are judgements or conclusions reached by you after analyzing the data base that indicate a potential or actual human need that you as

How does the heart impel the blood, Q. How does the heart impel the blood? ...

Q. How does the heart impel the blood? The heart is a muscular organ that contains chambers right ventricle and right atrium right ventricle and and left atrium through which b

Method of cloning dna fragments into plasmids, During our discussion of rep...

During our discussion of replication origins we took a step-by-step look at the method of cloning DNA fragments into plasmids . Based on your knowledge of this discussion which

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