The number of trophic levels in an ecological pyramid a. is limitless. b. is limited by the amount of energy that is lost at each trophic level. c. never exceeds four. d. never exceeds three.

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

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Everything that surrounds a particular organism