Answer:
Identical Twins
Identical twins share all of their genes and are always of the same sex. In contrast, fraternal, or dizygotic, twins result from the fertilization of two separate eggs during the same pregnancy. They share half of their genes, just like any other siblings.
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Answer:
If the pH of the water was too high or low, if the temperature was too hot or cold, or even the climate in which is provided to them inside of the tank can abiotically effect the population of the tank.
Explanation:
This is because of their natural abilities and capabilities. For reference: Many people like different temperatures whether they want to or not its a preference and if they were to change their location in which it has a new climate it would effect the way that they do things. Such as, a change in clothing.. But fish do not have clothes. Therefore it is unfortunate that some of their population does die naturally even in the wild do to this.
Answer:
The first law of Thermodynamics
Explanation: The law states that energy can never be destroyed, or created. This is because of a cycle of atoms, atoms are always changing, never getting destroyed.