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Prof. Abdelbaset Sabry Mohamed El-Sorogy

Professor

Professor of Paleontology and Paleoecology

كليات العلوم
Building 4, Floor 1, Room 1b59
إعلان

Assignments

Questions on Fossils and fossil record
1st Question: Choose the correct answer
1. The process of carbon enrichment of organic-rich remains through their burial and heating.
a) Carbonization                 b) Replacement                   c) Permineralization
2. Deposition of mineral material, from underground solutions in pore spaces of buried remains.
a) Carbonization                 b) Replacement c)               Permineralization
3.Conversion of less stable compounds into a more stable form, without change in chemical composition of the skeleton.
a) Carbonization                 b) Replacement                   c) Recrystalization
4. Preserved structures in sedimentary rocks express the vital activity of organisms.
a) Trace fossils                     b) Replacement                   c) moulds
5. Study of microscopic fossils
a)Macropaleontology         b)Micropaleontology
6. Study of macroscopic fossils
a)Macropaleontology         b)Micropaleontology
7. Insects, some brachiopods and arthropods consist of
a) Chitin                                b) Spongin                             c) Cellulose
8. Skeletons of some sponges and diatoms consist of
a) Chitin                                b) SiO2                                   c) Cellulose
9. Skeletons of bones and some brachiopods consist of
a) Ca5(OH)(PO4)3                 b) SiO2                                    c) Cellulose
10. The changes take place to the organism after death and burial in sediments.
a) mortality                           b) biostratonomy                c) diagenesis
11. The changes take place to the skeleton after burial in sediments.
a) mortality                           b) biostratonomy                                 c) diagenesis
 
2nd Question: Give the scientific term

  1. The process of carbon enrichment of organic-rich remains through their burial and heating.
  2. Deposition of mineral material, from underground solutions in pore spaces of buried remains.
  3. Conversion of less stable compounds into a more stable form, without change in chemical composition of the skeleton.                                                         
  4. The impression that the buried object made in the surrounding sediment.                             
  5. Preserved structures in sedimentary rocks express the vital activity of organisms.
  6. Remains or traces of living organisms.
  7. Transportation of an organism from the biosphere to the lithosphere.                                    
  8. Preserved structures in sedimentary rocks that express the vital activity of organisms.
  9. Study of life through geologic time.
  10. The changes take place to the organism after death and burial in sediments.
  11. The changes take place to the skeleton after burial in sediments.
  12. Study of invertebrate fossils.
  13. Study of vertebrate fossils.
  14. Number of fossils that we know through publication.
  15. Type of fossils used in determination of relative time of the sediments bearing them.

 
3rd Question: Complete

  1. Examples of preservation without alterations………..… and …………….
  2. Examples of preservation with alterations…………...… and …………….
  3. Paleontology is the study of life through geologic time by means of ………....
  4. Fossils are remains or traces of …………….……..
  5. ……….......are scientists who study fossils.
  6. ………..…is the study of microscopic fossils.
  7. ………….is the study of macroscopic fossils.
  8. ………….is the study of invertebrate fossils.
  9. ………….is the study of vertebrate fossils.
  10. Fossilization is the transfer of organism from ……………..….to ………..
  11. Fossilization includes the following processes …..……,……….and…..…..
  12. Index fossils are characterized by……………...,……………....,…………….…

 
4th Question: Justify

  1. There is a relationship between porosity and permeability of sediments and fossilization of an organism.
  2. Fossil record is incomplete.
  3. Fossil record is biased.

 
5th Question: Write down on:

  1. Index fossil
  2. Importance of fossils

 

 

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