Why Are Donkeys and Horses Considered Different Species

question 43

Multiple Choice

Why are donkeys and horses considered different species?

• A)They have different life spans.
• B)They look different.
• C)Their offspring cannot produce offspring.
• D)There are differences in their DNA.
• E)There are differences in their RNA.

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Definitions:

Pneumothorax

A medical condition where air enters the space between the lung and chest wall, causing the lung to collapse.

Respiratory Distress Syndrome

A serious condition that affects the lungs, characterized by insufficient surfactant leading to lung collapse, common in premature infants.

Forced Expiration

The act of expelling air from the lungs with effort beyond normal exhalation, often used in respiratory function testing.

Lymphatic Supply

The network of vessels and nodes that transport lymph, a fluid containing white blood cells and waste products, back into the circulatory system.