Asked by Serena Wilson on Apr 29, 2024
Verified
Which body feature in birds is a necessity to allow powerful flight muscles to operate?
A) a beak
B) hollow, light-weight bones
C) a cloaca
D) the keel of the sternum
E) keen eyesight
Keel Of The Sternum
The central ridge or projection on the sternum (breastbone) that resembles the keel of a boat, more prominent in some animals like birds for attachment of flight muscles.
Hollow
Having a space or cavity inside; not solid.
Flight Muscles
The muscles that power the wings in flying animals, enabling flight.
- Comprehend the importance of anatomical characteristics in the evolution of vertebrates.
- Outline the biological adaptations facilitating diverse lifestyles in vertebrates.
Verified Answer
ZK
Zybrea KnightMay 06, 2024
Final Answer :
D
Explanation :
The keel of the sternum (also known as the breastbone) is where the major flight muscles of a bird attach. This allows for powerful movements necessary for flight.
Learning Objectives
- Comprehend the importance of anatomical characteristics in the evolution of vertebrates.
- Outline the biological adaptations facilitating diverse lifestyles in vertebrates.