Notesale: Turn your study into money

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above

---

8
...

The organic substances identified in meteors that fell on
earth support the panspermia theory
...

1
...
Formation of oceans
The earth cooled and condensed, formed continous
rainfall
...
Formation of simple molecules
Molecules like monosacchrides, amino acids and fatty
acid were formed in oceans as a result of chemical
reaction
...
Formation of complex molecules
Complex molecules like polysacchrides, peptides, fats,
nucleotides, etc
...
Formation of genetic materials and protien
RNA, Protein, etc were formed first and later DNA was
formed
...
Formation of lipid layer
A separate lipid layer was formed on the surface of
water
...
Formation of primitive cell
Primitive cell that contain enzyme tht regulate chemical
reaction and have ability to self replicate, were formed
...


• In the place of lightening and thunder in the
atmosphere of primitive earth, high voltage
electricity was passed through the gaseous
mixture in the glass flask
...


3

Geological Time scale
...

• The Theory put forward by Jean Baptist Lamark, a
french biologist
...

• Their necks get elongated
...

• Lamarck explained that accumulation of acquired
character led to the formation of new species
...


4

Darwinism
...

On the basis of study in Galapagos Island
...

Theory of Origin of species is in the book Origin of
species by means of natural selection
...

• Difference in their beaks attracted Darwin
...

• Woodpecker finches that feed on worms from
holes in tree trunks using small twigs
...

Rate of food production is not proportionate to the
growth of human population
...


6



---