Sam brought home a tiny puppy. Her puppy grew. Four weeks later, her puppy had grown to twice its original size. Which answer below best explains why Sam's puppy got bigger? A. The number of cells in the puppy's body increased. B The puppy's body absorbed the food it ate. C The puppy's body cells grew larger as it got older. D Parts of the puppy's body stretched out more.

We do not gain the mass of the food we eat. Therefore, B is wrong. Our cells do not grow in size, they only grow in number. Therefore, C is wrong. Although the puppy's body does, in a way, stretch out, A is a better option. Therefore, D is likely to be wrong.

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mboluwape mboluwape · Answer 2 · 2021-12-03T11:55:17+01:00

Growth and development is part of the basic characteristics of life. A newborn baby undergoes this process to become an adult.

The answer that best explains why Sam's puppy got bigger is that the number of cells in the puppy's body increased. (option A).

In growth and development, growth of the puppy to an adult involves the formation of new cells which invariably leads to an increase in the number of cells as the puppy grows.

There is additional packing of more materials the puppy would need in its growth process.

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