Why are the seeds in a red tomato green?

my answer

because that's the way they were made and they started out green until they were fully grown and rippended and then they turnded red.

THE RIGHT ANSWER:

Its because even though the tomato is fully grown, the seeds are still young, thus green. Over time they will turn brown.

The correct answer

The seeds are green because they contain chlorophill, even when inside the tomato they absorb light for photosynthesis. as they mature the outer shell hardens to protect the embrio and the chlorophill dies away leaving the seed brown. in fact seed companies use this to determine when the seeds are mature enough for harvesting as the level of chloroplasts is negetivly related to the maturity of the seed and an imature seed will not germinate.