<span>The answer is duodenum.</span>
Answer:
A single organism can adapt to a cold environment by growing long hair.
Explanation:
Strong collagenous fibers, known as Sharpey’s fibers, connect the periosteum to the bone surface. This fiber extends to the bone’s circumferential (outer part) and interstitial lamellae (inner). It’s specifically made up of a fibrous layer (outside) and a cambium layer (inside).
A. 6 oxygen
Because it doubles hope it helps
Well, a homologous structure is a bone or something else that is present in many different species that could point to a common ancestor. Since you do not have the examples in your question I will just give you some and hope that it helps you:
The arm of a human, the wing<span> of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale.
</span>
I hope this helped! Let me know if it did not!
I hope you have a fantastical day!!XD