Answer:
<em>The correct option is C) happened by chance</em>
Explanation:
Mutations can be described as any changes which occur in the DNA of an organism. Mutations can be natural or induced through methods like the use of chemicals.
Mutations occur randomly and happen by chance. Hence, option C is correct.
Other options like option A are false because mutation is the sudden change in the genome of an organism. Hence, mutations will not cause the teeth to grow longer until they reach an optimal length.
The gland that regulates metabolism is the Thyroid Gland.
An example of health promotion is educating people about substance abuse
Answer:
simple carbohydrates can be found in milk
complex carbohydrates can be found in whole grains
Answer:
1 second
Explanation:
When the body comes in contact with a threat or something that it interprets as being stressful, the stress response of the body (located in the hypothalamus) is activated.
The stress hormone adrenaline is released into the blood immediately to cause the body to be agile and ready to deal with the problem. This takes about one second or less.
