~Hello there!
Your question: The second and fourth metacarpal bones in the horse are commonly called the _______.
Your answer: The second and fourth metacarpal bones in the horse are commonly called the....
Splints!
The answer is option A.
Any questions ^?
Happy Studying!
Answer:
Its Euglena
Explanation:
Shape change from normal elongated egg-shape to round-shape in stressful environment. These shape changes attain two transition phases. The I-transition phase is reversible where the organism can return to normal if favourable environment persists.