Answer: There is no following statements. But a controlled experiment is a scientific test that is directly manipulated by a scientist, in order to test a single variable at a time. The variable being tested is the independent variable, and is adjusted to see the effects on the system being studied.
Answer:
Stars are born within the clouds of dust and scattered throughout most galaxies. A familiar example of such as a dust cloud is the Orion Nebula. Turbulence deep within these clouds gives rise to knots with sufficient mass that the gas and dust can begin to collapse under its own gravitational attraction.
<h2>Genetic code is (nearly) universal in evolution</h2><h3>Explanation:</h3>
- It determine whether hair length is heritable, The genetic code is discretionary, at any rate of extent. The way that all life forms share a solitary genetic code is because of their basic ancestry. Development represents the solidarity and diversity of life
- This is because a genetic code shared by diverse life forms gives significant proof to the regular starting point of life on Earth. That is, the numerous species on Earth today likely developed from a tribal living being in which the genetic code was at that point present. Since the code is fundamental to the capacity of cells, it would will in general stay unaltered in species across ages, as people with critical changes may be not able to survive.