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Bezzdna [24]
3 years ago
11

It has been said that life could develop on Earth only because Earth is just the right distance from the sun. Any closer, and it

would be too hot; any farther away, too cold. Recently, communities of organisms have been found in deep-sea vents. These communities seem to get all their energy from the vents, rather than the sun. Even more recently, bacterial communities have been found deep inside subsurface rock. How do these discoveries inform consideration of whether life might exist on other planets or moons?
Biology
1 answer:
blondinia [14]3 years ago
8 0

Answer:

The correct answer will be- the planets and moon also exhibit hydrothermal vents, volcanoes and rocks.

Explanation:

Scientists have always tried to understand and explain the origin of life on Earth and predicted that life on earth originated as a result of the conditions created by the distance of the Earth from the Sun.

Later discoveries found that life exists even in the harsh conditions on Earth-like hydrothermal vents and inside sub-surface of the rocks. This shows that life can exist in extreme conditions.

Since the planets other than Earth posses such hydrothermal vents, rocks and volcanoes, therefore scientists predict that life could be found on other planets.

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The falciform ligament separates the:_________.
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The falciform ligament separates the<u> a. right and left lobes of the liver.</u>

Explanation:

  • The falciform ligament is a ligament that attaches the liver to the front body wall, and separates the liver into the left medial lobe and left lateral lobe.
  • The falciform ligament is a broad and thin peritoneal ligament. It is sickle shaped and a remnant of the ventral mesentery of the fetus.
  • The falciform ligament droops down from the hilum of the liver.
  • It contains between its layers a small but variable amount of fat and its free edge contains the obliterated umbilical vein  and if present, the falciform artery and paraumbilical veins.
  • The falciform ligament divides the left and right subphrenic compartments but may still allow passage of fluid from one to the other.
  • The falciform ligament stretches obliquely from the front to the back of the abdomen, with one surface in contact with the peritoneum behind the right rectus abdominis muscle and the diaphragm, and the other in contact with the left lobe of the liver.

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3 years ago
To keep stored food safe, you should:
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B obviously .................
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3 years ago
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The climate changes on Earth tend to be self-amplified. For example, the Earth is currently going through a warming trend. As th
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Answer:

Depletion of the ozone layer

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2 years ago
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Almost immediately after injection, you find yourself swept into a good-sized chamber, the _(1)_. However, you do not stop in th
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Answer:

Almost immediately after injection, you find yourself swept into a good-sized chamber, the left atrium. However, you do not stop in this chamber, but continue to plunge downward into a larger chamber below. You land with a large splash and examine your surroundings. All about you are huge white cords, hanging limply from two flaps of endothelial tissue far above you. You report that you are sitting in the left ventricle chamber of the heart, seeing the flaps of the mitral valve above you. The valve is open and its anchoring cords, the chordae tendineae, are lax. Since this valve is open, you conclude that the heart is in the systole/contraction phase of the cardiac cycle.

Explanation:

Once the oxygenated blood enters the heart through the pulmonary vein, it goes to the left atrium. From there, it goes down to the left ventricle passing through the mitral valve, also known as the bicuspid valve. This valve prevents blood's backflow when the heart contracts, allowing the blood's flow from the ventricle to the aorta.

The chordae tendineae, also known as tendinous cords, are in the mitral and the tricuspid valve. They are cords that are attached to the valve and the heart walls. They are lax during atrial systole, and with the help of blood pressure, they allow the valve to open and welcome the blood into the left ventricle. The tendinous cords are tense during ventricle systole preventing the valve from opening and causing a backflow from the ventricle to the atrium.

8 0
3 years ago
Consider an A - T versus G - C single-nucleotide polymorphism (SNP) in the human genome. This means that the DNA molecules in th
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Answer: A-T or G-C

Explanation:

The single-nucleotide polymorphism in human genomes is a substitution of a single nucleotide which occur in a specific position at the genome. The A-T nucleotide may appear dominant in the most population, while the remaining minor population may have the G-C nucleotide. The DNA molecule in the population at this site have A-T or G-C.

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3 years ago
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