Types of growth, Biology

Assignment Help:

KINDS OF GROWTH -

1.      AUXETIC GROWTH -

Body grows by enlargement of its cells without increase in number of cells.

eg. Nematodes, rotifers, tunicates. Growth of body muscle by excercise.

2.      MULTIPLICATIVE GROWTH -

It is due to increase in the number of cells as common in embryo.

3.      ACCRETIONARY GROWTH -

In post embryonic devlopment power of cell division is lost.

At some places reserve cells present, divide, producing new cells to replace the worm out cells, eg. Stratum malpighi

4.      APPOSITIONAL GROWTH -

It involves the addition of new layer on the previously formed layers.

eg. in cell wall. Addition of lamella in the formation of bone.


Related Discussions:- Types of growth

.ecology, describe between native and non-native species from the Otay rive...

describe between native and non-native species from the Otay river valley

Explain obsessive-compulsive disorder, a) Explain obsessive-compulsive diso...

a) Explain obsessive-compulsive disorder? How is it dissimilar from borderline personality disorder? What are the two most common obsessions that affect adolescents?

What are the bacteriophages, Q What are the bacteriophages? Bacteriopha...

Q What are the bacteriophages? Bacteriophages are viruses specialized in parasitism of bacteria. They are used in genetic engineering as molecular cloning vehicles to include r

What amount of catalyst is obsessive in the reaction, Q. What amount of cat...

Q. What amount of catalyst is obsessive in the reaction it catalyzes? Catalysts are not obsessive in the reactions they catalyze.

Fine structure of pollen tubes grown in vitro, Fine Structure of Pollen Tub...

Fine Structure of Pollen Tubes Grown in Vitro The growth in pollen tubes is exclusively restricted to the tip. Cytochemical analysis reveals the pollen tip zone to be rich in

Explain cyanotic heart disease breifly, Explain Cyanotic Heart Disease brei...

Explain Cyanotic Heart Disease breifly? Presence of cyanosis means deoxygenated blood reaching the systemic circulation bypassing the lungs i.e., right to left shunt. Uniform c

What are the tissues that form the skin in vertebrates, Q. What are the tis...

Q. What are the tissues that form the skin in vertebrates? The skin of vertebrates is made of epidermis is an external layer of epithelial tissue and dermis a layer of connecti

Why c4 plants are more efficient in photosynthesis, C4 plants are more effi...

C4 plants are more efficient in photosynthesis than C3 plants due to: 1. Higher leaf area 2. Presence of larger number of chloroplasts in the leaf cells 3. Presence of thi

Kuch, how vagina is inserted in cock

how vagina is inserted in cock

Synthetic Biology, I need analysis of Stza gene in Aspergillus nidulans thr...

I need analysis of Stza gene in Aspergillus nidulans through synthetic biology, OpenWetWare and Biobricks

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