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anyanavicka [17]
4 years ago
8

What is the energy source for almost all life on earth

Biology
2 answers:
Katyanochek1 [597]4 years ago
3 0
The Sun is the energy source for almost all life on earth.
Sedaia [141]4 years ago
3 0
The Sun is the primary source of energy for nearly all biological systems. Sunlight allows plants, algae, and cyanobacteria to use photosynthesis to convert carbon dioxide and water into organic compounds like carbohydrates.
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Which statement best describes a scientific theory?
Liono4ka [1.6K]

The statement that describes a scientific theory is as follows: Jose explained that all planets orbit around the sun in an elliptical path (option A).

<h3>What is a scientific theory?</h3>

A scientific theory is a coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed.

A theory can also be described as a statement that sets out the laws and principles of something known or observed, in other words, a hypothesis confirmed by observation, experiment.

According to this question, the fact that all planets orbit around the sun in an elliptical path is a scientific theory because it has been tested and confirmed to be true.

Therefore, the statement that describes a scientific theory is as follows: Jose explained that all planets orbit around the sun in an elliptical path.

Learn more about scientific theory at: brainly.com/question/2375277

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3 0
1 year ago
In your own words, explain what natural selection is?
Katyanochek1 [597]

Answer:

Natural selection is the process of which forms of life having traits that better enable them to adapt to specific environmental pressures, such as predators, changes in climate, or even competition for food or mates. As the species will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.

3 0
3 years ago
You have conducted an Ames test on a given compound. Which of the following would be classified as a positive result on the Ames
Step2247 [10]

Answer:

The correct answer is option (D) "His- strain grows on an his- plate".

Explanation:

The Ames test is a procedure that allows to detect if a given compound can cause mutations on a tested organism by growing strains of bacteria that require histidine (His-) to growth, since they are not able to produce its own histidine. In the Ames test, the bacteria is exposed to a given compound and is grown in a medium with small amount of histidine (his- plate). If the His- strain grows on a his- plate, it means that the bacteria has mutated to synthesize its own histidine and it is considered as a positive result on a the Ames test.

8 0
3 years ago
Read 2 more answers
What would happen to a bactrial cell if protective covering was destroyed ?
algol13
It would be harmed by chemicals in the environment. ... In binary fission, the two new cells that are formed are susceptible to the same antibiotic.
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3 years ago
How does pressure affect osmosis
Troyanec [42]

Answer:

Explanation:

The more the pressure, the faster the molecules will move for they are being pushed faster across a low concentration.

6 0
3 years ago
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