The Bones of Birds Are Heavier Than the Bones of Other

question 115

True/False

The bones of birds are heavier than the bones of other reptiles to support the stresses of flight. True or False?

---

Definitions:

Polymorphic Zone

A region within the genome that exhibits significant variability in its genetic makeup among individuals of a population.

Agouti Gene

A gene involved in determining the pattern and color of an animal's coat by regulating the distribution of melanin pigments.

Hoekstra's Hypothesis

A scientific conjecture attributed to researcher Hoekstra, potentially relating to genetics or evolutionary biology.

Coat Color

The coloration of an animal's fur or skin, determined by genetics and serving various purposes such as camouflage or signaling.