Answer:
The sample size of the animal was too small , not large enough to conclude that the effects of the chemicals on Salamander was the actual cause of toxicity and weight loss.
It is possible that the drop in weight may be as a result of other environmental factors; agitation from background noise and sudden exposure to new environments,, fluctuation in temperature of the surrounding environments , lack of feed supply or others
However, if there was many salamanders available; and most reacted to the chemical exposure in the same way then it can be concluded that, toxicity of the chemical is the causative factor.
Explanation:
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The answer to the question above is letter D. choices to this question are:A)<span>Chromosomes determine the traits of an organism.</span><span>B)</span><span>Chromosomes provide instructions to make proteins.</span><span>C)</span><span>Chromosomes determine the gender of an individual.</span><span>D)</span><span>Chromosomes help an organism produce usable energy.</span><span>
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Answer:
ring
Explanation:
ri
The sphincter is a ring of muscle surrounding and serving to guard or close an opening or tube
