Fossilisation, Biology

Assignment Help:

FOSSILISATION -

  1. The organisms are preserved and fossilized when they are buried in the ice, in an oil rich soil, in the lava of volcano, in swamps, in desiccated deserts, in rocks or under water or soil.
  2. Fine mineral particles may penetrate the dead bodies.
  3. Decay and disintegration of organic remains take place to leave only the harder parts, impression, moulds, casts etc.
  4. The sedimented mud and sand harden with time to form rocks i.e., sedimentary rock.

Related Discussions:- Fossilisation

Pentose phosphate pathway, The pentose phosphate pathway also called as the...

The pentose phosphate pathway also called as the phosphogluconate pathway and the hexose monophosphate shunt is a procedure which gives pentoses 5-carbon sugars and NADPH. There ar

Congestive heart failure (chf), C o ngestive heart failure (CHF) The ...

C o ngestive heart failure (CHF) The heart is unable to maintain circulatory equilibrium at rest and congestion of venous circuit takes place followed by dilatation of vessel

Explain secretion of parathormone and calcium blood level, What is the rela...

What is the relation between secretion of parathormone and the calcium blood level? The parathormone enhances the calcium blood level as it stimulates the resorption (remodelat

Indications for surgery of mitral regurgitation, Q. Indications for Surgery...

Q. Indications for Surgery of mitral regurgitation? Surgery is indicated in all symptomatic patients (class II and above) with severe mitral regurgitation and normal or decreas

Explain the alterations occurring in egg, Alterations occurring in egg ...

Alterations occurring in egg The quality, flavour, composition and functional properties of eggs are adversely affected more rapidly and to a greater extent by the speed and co

Fate map - gastrulation in chick, Fate Map - Gastrulation in Chick All...

Fate Map - Gastrulation in Chick All the three main germinal layers (ectoderm, mesoderm, endoderm) are made from cells initially located in the epiblast in area pellucida, hen

Middle ear, MIDDL E EAR - Protected by tympanic bone. It's cavity...

MIDDL E EAR - Protected by tympanic bone. It's cavity is tympanic cavity. It is lined by simple cilliated columnar epithelium. It is connected to naso pharynx by Eu

Explain sinus venosus defect with partial anomalous venous, Explain Sinus V...

Explain Sinus Venosus Defect with Partial Anomalous Venous Connection ? In this defect the atrial septal defect is situated just below the orifice of superior vena cava above

Example of self-pollination or cross-pollination, A bee visits several flow...

A bee visits several flowers in succession on a single willow herb plant. In doing so, the bee transfers pollen from the younger flowers, near the top of the inflorescence (group o

Subphylum crustacea, Subphylum Crustacea Crustacea are mainly aquatic...

Subphylum Crustacea Crustacea are mainly aquatic arthropods with gills for respiration. Cephalothorax has usually a carapace; appendages biramous but modified for several fun

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