<span> parathyroid hormone (PTH) </span><span>increases osteoclast activity to release more calcium ions into the bloodstream.
In short, Your Answer would be Option C
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Answer:
Species
Explanation:
Such as humans, we are a species because we all look similar and can reproduce with one another.
Answer:
Ideally, the experimental and control groups are identical. As much as possible, the two groups should overlap in every characteristic.
Explanation:
At the beginning of your study, you need your two groups to be as statistically similar as is humanly possible. That way, when you control for other variables, you can reasonably attribute any statistically significant differences at the end of the study to your intervention.
Answer:
Some of Carl Linnaeus classifications of organisms are incorrect because he classified them base on their appearances and actions
Explanation:
Carolus Linnaeus is the father of taxonomy, which is a system of naming and classifying organisms. He classifies organisms base on their appearances and actions instead of their relationships. He invented a system of classification called hierarchical system of classifications. This system include 8 taxa, dormain, kingdom, phylum, class, order, family,genus and species.