Parathyroid Hormone (PTH) Increases Calcium Absorption in the Intestines by Activating

question 13

Multiple Choice

Parathyroid hormone (PTH) increases calcium absorption in the intestines by activating:

• A)vitamin A.
• B)vitamin C.
• C)vitamin D.
• D)iron.

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Definitions:

Convergent Evolution

The evolutionary process where organisms not closely related independently evolve similar traits due to having to adapt to similar environments or ecological niches.

Distantly Related

Distantly related organisms share a common ancestor far back in their evolutionary history, indicating they are part of different subgroups within a broader taxonomic category.

Similar Environments

Refers to ecosystems or habitats that share comparable characteristics, such as climate, vegetation types, or geographical features.

Generalist Species

Organisms that can thrive in a wide variety of environmental conditions and can make use of a variety of different resources.