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What human reproductive organ is functionally similar to this seed?

What human reproductive organ is functionally similar to this seed?

What human reproductive organ is functionally similar to this seed?

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Fig. 30-12<br />

Microsporangia<br />

(contain<br />

microspores)<br />

Living<br />

gymnosperms<br />

Bennettitales<br />

Amborella<br />

Water lilies<br />

Most recent common ances<strong>to</strong>r<br />

of all living angiosperms<br />

Star an<strong>is</strong>e and<br />

relatives<br />

Monocots<br />

Magnoliids<br />

Eudicots<br />

Ovules<br />

(a) A possible ances<strong>to</strong>r of the<br />

angiosperms?<br />

300 250 200 150 100 50 0<br />

Millions of years ago<br />

(b) Angiosperm phylogeny

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