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BlackZzzverrR [31]
3 years ago
8

How do scientists determine when an era ends and an era begins

Biology
1 answer:
rodikova [14]3 years ago
4 0
 Geologic Time Scale.Scientists decide when an era begins<span> and </span>ends<span>, due </span>to<span> mass extinction. ...</span>Scientists determine<span> when drastic changes </span>are<span> made by the fossil record, which shows earths past organisms that have become extinct.</span>
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Carolus Linnaeus developed a two-part naming system to refer to all living organisms. The two-part name, known as binomial nomen
Tju [1.3M]

The correct binomial nomenclature for humans is H. sapiens, in which H. is genus and sapiens is species.

<h3>What is binomial nomenclature?</h3>

The binomial nomenclature is a two-term naming system in which the name of every species is named specifically.

This naming system was developed by Carolus Linnaeus.

It is written as a genus with the following species.

For example the scientific name of the dog is Canis (genus) familiaris (species).

Thus, the scientific name of humans is H. sapiens.

Learn more about binomial nomenclature, here:

brainly.com/question/9837065

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2 years ago
Which circuit carries blood from the right ventricle to the lungs for gas exchange and returns it to the left atrium of the hear
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Answer:

Pulmonary circuit

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Pulmonary circuit of blood circulation serves to carry the deoxygenated blood from the right ventricle of the heart to the lungs and then returns the oxygenated blood from the lungs to the left atrium of the heart. The pulmonary trunk carries the deoxygenated blood from the right ventricle to the lungs.

The right pulmonary artery and the left pulmonary artery of the pulmonary trunk carry the blood to the right and left lung respectively. After the gaseous exchange, the pulmonary capillaries unite to form venules and finally the pulmonary veins which in turn carry the oxygenated blood to the left atrium.

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3 years ago
Which part of an investigation is only found in an experimental investigation​
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Experimental

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When a group of cells that have the same basic structure and function come together they form?
sveticcg [70]

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Tissue

Explanation:

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How do axial filaments differ from regular bacterial flagella?
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Answer: D

Explanation: the axial filament is madeup of hundreds of fimbrils. It is an organ of locomotion in organisms. It is located between the cell membrane and the outer membrane thereby giving the organism the ability to make a twisting motion. Example of organism that possess axial filaments is the spirochetes

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