Why copes ideas about the evolution of tetrapods were considered a hypothesis and not a theory

1 answer:

8 0

Cope's Rule postulates that animal groups tend to evolve through time towards larger body size. Even though larger body size is often advantageous trait it isn’t always that way (larger organisms require greater amount of food, and can have problems when food is sparse).

But this postulate isn’t theory, because body size increase through time, but the mean body size often doesn’t.

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A) ATP is used to lower the activation energy in enzymatic reactions.

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Enzymes allow chemical reactions to proceed with activation energy provided by the catabolism of ATP. When cells convert glucose and oxygen into carbon dioxide and water, they use 2 molecules of ATP as activation energy and gain 36 to 38 molecules of ATP in return. Without enzymes, this would not be possible.

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