The organs are known as Vestigial organs. The evolution from land-dwelling animal to the marine animals has led whales as well as dolphins, to lose hind limbs. The pelvic and leg bone serves no purpose in them and just provide the anchorage to muscles
Answer:
D. phospholipid bilayer
Explanation:
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Step-by-step explanation:
When sea level change happens it can be decreased OR increased. It mostly happens when global temperatures change. Sometimes the ocean freezes, glaciers melt back into the ocean. It changes because of the amount of water being added or decreasing.