In Amphibians, the Gray Crescent Appears

question 35

Multiple Choice

In amphibians, the gray crescent appears

• A) after the egg matures.
• B) after fertilization.
• C) during blastula formation.
• D) following gastrulation.
• E) as a result of tissue specialization.

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Definitions:

Fresco

A technique of mural painting executed upon freshly laid lime plaster, allowing the paint to become an integral part of the wall.

Lion Gate

The main entrance of the Bronze Age citadel of Mycenae in Greece, famous for its relief sculpture of two lions standing on either side of a column.

Post And Lintel

An architectural system involving the use of two upright posts supporting a horizontal beam or lintel, found in many ancient structures.

Tholos Tombs

Beehive-shaped burial structures made of stone, found in the Mycenaean civilization, used for royal or noble interments.