Other species of animals have hormones that are similar to but not exact in structure to human hormones.
The conclusion that two animal species evolved from a common ancestor in recent geological history is best supported by the observation that the species have similar bone structure.
The conclusion<>evolved<>from a common ancestor$$$The conclusion that two animal species evolved from a common ancestor in recent geological history<>is best supported<>by the observation that the species have similar bone structure$$$the species<>have<>similar bone structure