Parathyroid Hormone (PTH)increases the

question 107

Multiple Choice

Parathyroid hormone (PTH) increases the

• A) breakdown of bone.
• B) reabsorption of calcium.
• C) production of an enzyme that activates vitamin D.
• D) indirectly, helps intestines take up calcium from food.
• E) activities of all of these.

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Definitions:

Finch Species

A group within the bird family, known for their diversity in beak shapes and sizes, which has been extensively studied in evolutionary biology.

Beak Sizes

Variations in the length, width, and shape of the beaks among bird species, often correlated with their feeding habits and ecological niches.

Exotic Species

Organisms introduced to new habitats where they are not native, often leading to ecological imbalance.