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kolezko [41]
2 years ago
12

Which major processes were needed for the origin of life on Earth?

Biology
2 answers:
jasenka [17]2 years ago
8 0

Answer:

Formation of oxygen and abiotic molecules.

Explanation:

The present day organisms use oxygen for process of respiration. There are very few organisms which require source other than oxygen. The first organisms which make oxygen from photosynthesis were cyanobacteria.

The formation of abiotic molecules like nucleotides and amino acids were responsible for origin of life. These molecules arranged together, thus forming large molecules like nucleic acid and proteins.

Rama09 [41]2 years ago
5 0

Answer:

air and water

Explanation:

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what is a mass extinction? what is a mass extinction? an event that causes the extinction of a large fraction of earth's species
sineoko [7]

A mass extinction event occurs when a species disappears far more quickly than it is replaced. This is typically understood as the loss of around 75% of all species over a "short" period of geological time, or fewer than 2.8 million years.

An enormous number of species were wiped out by a harsh, worldwide, swift, and selective event is mass extinction. According to marine fossils, at least 75% of all species are thought to have become extinct. The most recent mass extinction is the Cretaceous-Paleogene extinction event, which is also the only one that can be proven to have been caused by a significant asteroid impact. All non-avian dinosaur species, making up about 76 percent of all species on the earth, perished during mass extinction. The Chicxulub asteroid impact in what is now Mexico, which occurred 66 million years ago, caused an ecosystem collapse that resulted in the extinction of the dinosaurs and >75% of all land and sea species as well as the macroevolution of mammals.

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8 0
1 year ago
What is a wavelength ?
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Distance between corresponding points 2 consecutive waves
5 0
3 years ago
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Which of the following has the most potential of experiencing background extinction based on the natural disruption described?
Neko [114]

The option that has the most potential of experiencing background extinction based on the natural disruption is : ( C ) A species that will not grow during a specific season every year

<h3>What is Background extinction </h3>

Background extinction is the gradual extinction of species due certian environmental factors such as change in weather conditions, disease, competitive disadvantage and habitat loss.

A population that will not grow during a specific season every year will experiences a gradual extinction process while other options will experience a fast and sudden extinction process.

Hence we can conclude that the most potential of experiencing background extinction based on the natural disruption is :  A species that will not grow during a specific season every year.

Learn more about background extinction : brainly.com/question/11872946

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