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The Miller Urey experiment stimulated conditions on earth before life. Materials used include water, estimated gases from early atmosphere, and electricity. The brown goo is significant because it provided evidence that organic matter can derive from inorganic matter since it was made up of amino acids.

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It attempted to stimulate the conditions present on early Earth to form life. They used water, ammonia, and hydrogen to stimulate the conditions. The brown goo was organic compounds. Specifically amino acids. This experiment showed that life could be made from inorganic molecules.

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It stimulated the conditions on earth before there was life. The materials used were water, methane, ammonia, and hydrogen. The brown goo is significant because it shows that organic matter can come from inorganic matter.

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This experiment stimulated what Earth was like before the presence of life

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It simulated what earth was like before there was life. It used water, gas and a spark. This goo was organic compounds associated with life like amino acids which code for proteins. So we needed these for life.

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It stimulated the way the Earth was before life had inhabited it. The chemical origins of life as we know it was then used to test whether or not they thrived in those conditions. The brown goo was important because it was an organic compound (amino acids) which indicated life.

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The Miller Urey Experiment simulated earth before there was life. Water, gas, an electric spark, as well as a flask, were used to simulate this. The brown goo that formed was significant because it revealed amino acids (which are shown in life).

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This experiment simulated the ocean and the atmosphere of early Earth. The materials used were a spark, flasks, water, and gasses. The brown goo was the organic compounds being covered with amino acids.

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It simulated what Earth was like a long time ago. He used Methane, Ammonia. The brown goo made amino acids and this is significant because amino acids make proteins.

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The experiment and its materials simulate early "before life" Earth conditions. Water was used to simulate the ocean, gases were used to simulate the air in the atmosphere, and the spark was used to simulate lightning on Earth. The brown "goo" that formed was a composition of amino acids. This is extremely significant because  amino acids are the building blocks of proteins, and proteins are necessary in the formation of cells. Cells are the building blocks of all life. Therefore, amino acids must be present to create life.

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The electricity simulated lightning that broke down molecules that are considered necessary for life.

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it simulated what earth would have looked like before life was on earth 

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it simulated what earth would have looked like before life was on earth 

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kylei martin

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1. 4.5 billion years;
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1. 4.5 billion years,  4.3 billion years
2. simulated the water cycle and the conditions on ancient earth. Water, Methane, ammonia and other gases, UV Rays and electricity. the brown goo was macromolecules.
3. meteorites that brought new chemicals, earth changed from being molten lava to cooling down to a rock with water.
4. like coral , hard minerals built layer by layer. Earliest fossil evidence of life on Earth. Created oxygen billions of years ago.
5. extinct marine arthropods. Oldest animals found. Found as fossils because of their shells or exoskeletons they developed.

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1.Earth is 4.5 billion years old. Life began
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3. Mineral composition changed over time. Earth started off as molten rock, and slowly cooled allowing water to come in.
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1. 4.5 Billion years ago
Life began 3.8 billion years ago.
2. It attempted to simulate the ancient water cycle that was present on early Earth. They used ammonia, methane, water and hydrogen and applied heat to see what happened. After a few weeks brown goo appeared which was made up of complex molecules from the ones that were present in the experiment. This was significant  because these molecules contained amino acids which makes up proteins in living organisms.
3. Earth began as molten and hot, but eventually the rock solidified. At first this rock was black. new minerals began to form and changed the appearance of Earth. Water came along when the Earth cooled and turned Earth blue.
4. They are held within rocks and minerals and they are living things. They are similar to coral that are built layer by layer. They are created by microbes and they capture minerals and sandd and capture them. They created oxygen billions of years ago, but there was no known oxygen to be on Earth at that time. They were very early life forms but were not the first.
5. They are the oldest things you can find, they developed shells early on which allows them to still be discovered today. They survived longer because they had an advantage to soft-body organisms because they had protection. They developed bones and teeth which led to later forms of life.

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- Earth is around 4.5 billion years old. Life is thought to have begun 4.3 billion years ago.
- The experiment simulated an early Earth environment. The experiment used water (ocean),  carbon and oxygen (atmosphere), and a spark (lightning). The brown goo was amino acids and this was significant because they were the building blocks of life which could be key to the origin of life.
- The Earth changed from a volcanic planet (black) to a granite planet (gray) which formed from the basalt of the volcanos. The Earth later became a blue planet as water began to cover the surface of Earth. Lightning reacting with water and the gases in the atmosphere may have create amino acids. eventually microbes began to exists and produce oxygen from photosynthesis which would react with the iron in the oceans. The increase in oxygen and reactions with iron created many new minerals and turned the Earth red.
- Stromatolites a hard mineral structure that has been built layer by later, similar to coral. The microbes capture minerals and sand in the water and build them into the stromatolite. They are the oldest fossil of life that has been found.
- Trilobites are the oldest animals that have been preserved as a fossil. They were similar to horseshoe crabs and had developed shells. Trilobites are not the oldest form of life on Earth but they are the oldest fossils found because they were some of the first life forms to develop a shell.

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The Earth is 4.5 billion years old. Life began on Earth 3.8 billion years ago.
He simulated different gases such as ammonia and methane which represented the Earth's atmosphere.  The brown goo was amino acids which is a key component to life.

Some changes that occured was the meteorite which brought new chemicals that led to the creation of life on Earth. Water was one of the key factors of life on Earth.

Stromatolites are rocks that have been formed over time that contain minerals. They are important because they are the first known fossil on Earth.

Trilobites are the oldest animals that are preserved. Because their exoskeleton are imprinted into the rock.

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1. 4.5 billion years old,
2. It stimulated the water cycle under ancient earth conditions, they used water, hydrogen, methane, ammonia, and sparks. The brown goo was simple organic molecules like amino acids.
3. When earth became covered in water,

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1. 4.5 billion years ago.  Life began 3.8 billion years ago.
2. The experiment made an early Earth environment. It took water to simulate the ocean, a flask for the gas in the atmosphere. He simulated the atmosphere of early earth with gases. black oily goo formed near the electrodes and was associated with life and amino acids, the ingredients for life. That is why it was so significant.
3. Earth was very hot at first due to lva and no life could live on Earth. It then turned into consisting of water, so that life could survive
4. A hard mineral structure built layer by layer. They contain microbes, single celled life. They contain cyanobacteria. The top layer is alive. This can all lead to oxygen and life.
5. Trilobites are the oldest species of life found because they developed shells. Trilobites were arthropods.

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1.Earth is 4.5 billion years old. Life began 3.8 billion years ago.
2. simulated the atmosphere of early earth, used ammonia and methane, the brown goo was amino acids and that was significant because they are proteins that form muscles and tissues in living things
3. change in mineral composition of Earth,  creation of water
4. stromatolites are rocks formed layer by layer over time and usually found in water, they are significant because they are the earliest known fossils on earth and carry a strong chemical footprint of life
5. trilobites are the oldest preserved animals that you can find on earth and found as fossils, they are the oldest fossils found because of the imprints that they leave in rocks

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1. Earth is 4.5 billion years old, life has begun around 3.5 billion years ago.

2. It used a series of flasks with water and gas. It stimulated how water got into the atmosphere along with the transfer of gases into the atmosphere, which later led to the creation of life. The brown goo that formed was a series of organic compounds (amino acids) that are the building blocks of life.

3. Molten lava formed layers of rock that covered earth's surface, preventing growth of living things. New minerals came out of this rock which led to the earth turning a grey color. Water broke apart land masses, creating separate regions.

4. They are round black mounds found mostly in the bays and lagoons of the ocean. They are like coral, hard mineral structures that have been built layer by layer. They capture minerals and sand from the water. It is significant because they are present in the fossils which are the oldest direct evidence regarding life on earth.

5. They are the oldest preserved animals you can find. They were like horseshoe crabs on the ocean floor that developed shells. They are the oldest found because they had shells which gave them an advantage, and survived through survival of the fittest. They eventually developed bones, teeth, etc, leading to larger forms of life on earth. Therefore, rocks and minerals and life are all closely related.

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1. The Earth is 4.5 billion years ago. Life is thought to begun around 4.3 billion years ago.
2. It stimulated the extreme atmosphere of the early earth. Two flasks, water, gas, and electric sparks were used to make it. The brown goo was amino acid that make the proteins for life. This was significant because it showed that life could have emerged from these amino acids and confirmed Darwin's theory that life started in a shallow pond.
3. The gray period created new minerals in the land. As it kept cooling, water started to form on earth in the blue period. The minerals on the Earth could have affected life on earth by allowing amino acids together and create complex structures such as RNA.
4. Stromatolites are hard mineral structures that are built layer by layer by microbes. The microbes cement sand particles together creating the mounds. Their significance was in the idea that they gave way to oxygen on earth through photosynthesis. And therefore led to other living organisms.
5. Trilobites are the oldest animals preserved on earth. They are not the oldest form of life on earth, but they are likely to be the first ones with shells. These shells allowed the trilobites to be preserved in rocks for a long period of time.

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1. 4.5 Billion years ago
2. 4.3 Billion years ago
3. It simulated the formation of complex molecules.
4. They used ammonia, methane, heat, electricity and water.
5. The brown goo was macromolecules and it was important because it showed that the building blocks of life could be formed this way.
6. Water acted as a solvent on earth and broke apart the land masses on Earth over a long period of time.
7. Stromatolites are something like coral that are built layer by layer with minerals.
8. They are significant because they are the earliest fossil evidence of life on Earth.
9. Trilobites are are the oldest animals on earth and now they are found as fossils today.
10. They are the oldest form of animals on Earth.
11. They are the oldest fossils found because they developed shells.

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1. 4.5 billion years, 3.5 billion years ago
2. It stimulated the origin of life, how the earth was before life formed. Flasks, gases (ammonium and methane)  to stimulate the atmosphere, sparks, and water were used. The brown goo formed was made of organic compounds, amino acids. This was significant because amino acids are a building block for life.
3. Earth changed from being hot and covered in rock  to having water so life could survive. Organisms began using  energy from the sun (photosynthesis) increasing levels of oxygen which oxidized iron. Oxygen allowed new minerals to form
4. Fossilized remnants of life. Made of photosynthetic bacteria, earliest fossilized forms of life on earth
5.  Oldest animals found in fossils. They had shells so they were able to be better fossilized.

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1.Earth is thought to be 4.5 billion years old. Life is thought to have begun 3.5 billion years ago.
2.The Miller Urey experiment was a chemical experiment that stimulated the way ancient atmosphere and the way Earth was before it consisted of life.They used water, hydrogen, methane, ammonia, and sparks. The brown goo that formed were amino acids. This is significant because they are the building blocks of life that form proteins.
3. Over time, the Earth cooled, which formed the Earth's crust and allowed liquid water on the planet. This also changed the planet so that life could exist. The Earth then eventually became covered in water.
4.Stromatolites are layers of minerals that are the earliest forms of fossils that contain microbes. They are significant because they are thought to be what increases oxygen in the atmosphere.
5.Trilobites are the oldest animal known to exist. They were arthropods that developed shells. Because of this, they were able to survive longer and be able to fossilize.

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1. 4.5 billion years old
2. It simulated the water cycle in ancient times and the origin of life. Used water, methane, ammonia, and heat. The brown goo was significant because it contained complex amino acids, hinting at the formation of living things
3. The formation of liquid water allowed for it to act as a solvent and broke apart land masses over time. The mineral composition had also changed over time.
4.Stromatolites are fossilized remnants of life, found in layers of rock. They are significant because they have microbes and cyanobacteria, as well as have a living top layer.
5. Trilobites are the oldest animals to be preserved on Earth, likely to be the first with shells. The print of their exoskeletons are imprinted into rock.

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1. 4.5 billion, 4.3 billion
2. simulated formation of complex molecules (leading to life) -> used ammonia, methane, heat, electricity,water -> Brown goo was "soup" of macromolecules -> significant because it showed life's building blocks could be formed this way
3. Water was a great solvent that dissolved things and forced them to interact.
4. covered in microbial mat, photosynthetic bacteria allowing formation of possible oxygen and other life sustaining elements
5. Trilobites are the oldest animals you can find. They are not the oldest form of life. Their shells allowed them to be fossilized.

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1. 4.5 million years ago. Life is thought to have begun about 3.8 billion years ago.
2. This experiment stimulated the water cycle of the ancient earth. It included the materials of a glass apparatus, water, electric sparks, and gases that were thought to have been present in the early earth environment. The brown goo was amino acids and organic molecules that were created from the cycle. This is important because it supports how life could have began during this early time.
3. The composition of the earth's surface changed drastically in its early years. Specifically, earth went from being mostly molten rock to covered completely with water. This watered was thought to be the area where life began.
4. Stromatolites are a hard mineral mound built layer by layer. They are created by cyanobacteria. They are significant to the history of life on earth because this could lead to oxygen on early earth. They are the earliest evidence of life on earth.
5. Trilobites are crablike creatures. They were the oldest animals found because they had shells. The shells allowed them to be fossilized better than soft bodied animals.

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1.Earth is 4.5 billion years old. Life began
2. . It simulated the water cycle of the origin of life. Used water, methane, ammonia, and heat. The soup was importaant because it contained complex amino acids, hinting at the formation of living things
3. Mineral composition changed over time. Earth started off as molten rock, and slowly cooled allowing water to come in.
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5.

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1. 4.5 billion years; 4.3 billion years
2. It simulated early earth conditions that may have been conducive to the origin of life. flasks that continued water and gases were used to simulate the atmosphere, along with an electrical spark to simulate lightning. The brown goo was a mixture of biomolecules, including amino acids. It is significant because it showed that early earth conditions could have led to a natural origin of life in a primordial "soup."
3. The presence of water, the cooling of earth after its formation, the formation of rocks and minerals, the introduction of oxygen to the atmosphere
4.  stromatolites are fossilised layers of photosynthetic bacteria which built up over millions of years. As they grew, they cemented sediment and minerals. They are important because they give evidence of life on early earth. The stromatolites, being photosynthetic, would have also been the first or one of the first suppliers of oxygen to the atmosphere.
5. Trilobites, the oldest fossilized animals. Arthropods. They are the oldest fossilized animal found because they were the first to develop shells.

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1.Earth is 4.5 billion years old. Life began
2. . It simulated the water cycle of the origin of life. Used water, methane, ammonia, and heat. The soup was important because it contained complex amino acids, hinting at the formation of living things
3. Mineral composition changed over time. Earth started off as molten rock, and slowly cooled allowing water to come in. Meteorites brought new chemicals.
4. Fossilized remnants of life. A calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment, found in They are very significant because they are the earliest fossil evidence on Earth.
5. Oldest animals you can preserve in a fossil, like horseshoe crabs on ocean floor. Developed shells, so they are found in fossils.