Over the Last Two Centuries, Children Have Reached Their Adult

question 70

Multiple Choice

Over the last two centuries, children have reached their adult height earlier and are taller than their ancestors. What is the official name of this phenomenon?

• A) secular trend
• B) evolution
• C) genetic predisposition
• D) generational trend

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Definitions:

CAM Plants

Plants that utilize Crassulacean Acid Metabolism, a photosynthetic adaptation to arid conditions where stomata open at night to minimize water loss.

Malate

A substance found in many fruits and vegetables, serving as an intermediate in the citric acid cycle within cellular metabolism.

Vacuoles

Membrane-bound compartments within a cell that serve various functions such as storing nutrients or waste products.

Thylakoid Lumen

The internal space enclosed by the thylakoid membrane within the chloroplasts, where the light-dependent reactions of photosynthesis take place.