All of the scenarios are examples of evolution, with the EXCEPTION of the

Aloss of hind limbs by whales.
Bgradual loss of toes on the feet of horses
Cchange of a caterpillar into an adult butterfly
Dchange of bones in ostriches, from hollow to solid.

Metamorphosis a biological process in which there is a transformation of one stage to the next stage in the life cycle of an organism. It is initiated and carried out under the influence of the thyroxine hormone. For example, in the life cycle of a butterfly, caterpillar larva changed into a pupa and then pupa transforms into a miniature adult. Metamorphosis indicates the end of larval life and the beginning of the next stage of the butterfly life cycle. Thus, the scenario (change of a caterpillar into an adult butterfly) in not evolution.

All of the scenarios are examples of evolution, with the EXCEPTION of the Aloss of hind limbs by whales. Bgradual loss of toes on the feet of horsesCchange of a caterpillar into an adult butterflyDchange of bones in ostriches, from hollow to solid.

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All of the scenarios are examples of evolution, with the EXCEPTION of the

Aloss of hind limbs by whales.
Bgradual loss of toes on the feet of horses
Cchange of a caterpillar into an adult butterfly
Dchange of bones in ostriches, from hollow to solid.