They are both involuntary
Answer:
They are made of gases.
They contain iron in their cores.
They make energy through fusion.
Explanation:
Answer is the k- strategy....your welcome B)
Explanation:
To swim, they move their tails up and down, rather than back and forth as fishes do. This is because whales evolved from walking land mammals whose backbones did not naturally bend side to side, but up and down. ... Whales do the same thing as they swim, showing their ancient terrestrial heritage.
Cetaceans are fully aquatic marine mammals belonging to the order Artiodactyla, and branched off from other artiodactyls around 50 mya (million years ago). Cetaceans are thought to have evolved during the Eocene or earlier, sharing a closest common ancestor with hippopotamuses.
I think the answer would be 52cm:24cm ratio but don't take my word for it
