ANSWER QUICK! GIVING 20 POINTS! How did the scientists conclude that the animal changed over time?

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Item 1

Read the poem.

The Courage That My Mother Had  

by Edna St. Vincent Millay.

The courage that my mother had

Went with her, and is with her still:

Rock from New England quarried;

Now granite in a granite hill.

The golden brooch my mother wore

She left behind for me to wear;

I have no thing I treasure more:

Yet, it is something I could spare.

Oh, if instead she’d left to me

The thing she took into the grave!—

That courage like a rock, which she

Has no more need of, and I have.

In "The Courage That My Mother Had," what is the meaning of the line Now granite in a granite hill?  

The speaker wants to be more like her mother.

The speaker's mother has passed away.

The speaker's mother has turned to stone.

The speaker is visiting her mother's home.

Explanation:

Fibrous Protein

Explanation: Collagen is the major insoluble fibrous protein in the extracellular matrix and in connective tissue. In fact, it is the single most abundant protein in the animal kingdom. There are at least 16 types of collagen, but 80 – 90 percent of the collagen in the body consists of types I, II, and III.