Ballistic Panspermia

Ballistic Panspermia Theory

Interplanetary Panspermia

Impact-expelled rocks from a planet's surface serve as transfer vehicles for spreading biological material from one planet to another within the same solar system.

Evidence

• Little chunks of Mars as wll as the moon have landed on Earth

• It is easy for Mars to lose material, because it was a weaker gravitational field, essentially having a greater chance of losing material and that material hitting earth.

The Order Life May Have Occured

• Life could not have began on Earth because of heavy meteorite and comet bombardment

Anaerobes & Aerobe

• Scientist have found what he believes to be fossilised remains of organisms in meteorites and tiny algae-like organisms living high up in the Earth's atmosphere that have been carried here by passing comets

Anaerobic organism: An organism that does not require oxygen to survive.

Astroids, Comets, and Metoroids hit another planet which caused pieces to break off and travel into space.

Aerobe Organsim: organism that require oxygen to survive and reproduce.

Primitive Earth

Hetrotrophs came first followed by autotrophs and were anaerobic. As time passed, the earth became rich in gases and both organisms became aerobe.

Primitive earth's atmosphere consisted of water vapor, carbon dioxide, carbon monoxide, hydrogen, nitrogen, ammonia, and methane.

If a chunck of the planet can make it through space and is able to hit earth the material from that other planet can form life.

Role Of RNA

Once the others planets debri has landed on earth life began to form. According to the Miller-Urey experiment which explains that electrical charge(lightning) mixed with methane, ammonia, hydrogen and water(the atmoshere) created amino acids which is thre building blocks for proteins meaning the building block for life.

The earth was extremely hot and evaporated water. When the earth started to cool, gravity trapped water in the form of gas. When it was in the atmosphere it fell as rain, which turned into seas.

To make RNA or something similar to RNA it would have to come from comet, metors, or astroids.

The RNA molecules grow into self-replicating patterns. They use recombination and mutation to seek new niches. RNA molecules began to arrange proteins.

Miller-Urey Experiments

Stanley Miller and Harold Uey conducted a experiment that establihed the idea that organic compounds can be formed in the conditions of primitive earth.

Role Of Protein & Protein Synthesis

A variety of organic compounds have been detected in meteorites that have landed on earth, including amino acids, which are the building blocks of proteins and proteins are primary components all of living cells).

They designed a instrument that held a mix similiar to the gases in the earths atmosphere over a pool of water that represented the earths ocean. Electrodes sent electric currents repersenting lighting into a gas chamber. After allowing the experiment run for a week. They studied the pool of water a discovered organic amino acids.

Heterotrophs & Autotrophs

Contribution of Meiosis

Autotroph: An organism that is able to make their own food. Get energy through sunlight or chemosynthesis

Heterotrophs: Organisms that consume other organisms to obtain thier food and energy

The evolution of meiosis and sexual reproduction led to the outbreak of diversity. When DNA was first created and it continued to reproduced, the cell made two of itself eventually cells begins to create organisms.

~ And Life Begins~

Chemosynthesis

the synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.

The heterotrophic hypothesis claims that the first living organisms were fermenting heterotrophs. Fermentation released carbon dioxide (CO₂) and the atmosphere then became rich in this gas. Through mutation and natural selection, organisms capable of using carbon dioxide and light to synthesize and organic material appeared. In this theory it is believed that heterotrophs were on the earth before autotrophs. Since heterotophs don't need sunlight to survive they were able to reproduce and survive.