Which parts of the worm are included in the excretory system?

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit

What is used to keep track of the gamates and possible offsprings combination

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.