To test if the chickens lacked thiamine the scientist could test the blood concentration of thiamine in the chickens on a future study, unless blood samples were taken during the original study.
In any future studies, the same experiment would need to be done but with this added measurement on both the control group and the test subjects.
<span>Some organisms have the ability to "transform" in order to meet their needs. For example, a chameleon can change it's colors to escape predators, and a snake can contort its body in order to fit where it needs to be to hide out.</span>
Answer:
No lo hacemos.
No lo sabemos todo.
Sólo el 5% del océano se explora así que estoy bastante seguro de que va a tomar mucho tiempo antes de que se descubra el mundo entero.
Answer: The answer is A. Increaed use of fossil fuels.
Explanation:
