Why were hunter-gatherer groups typically smaller? O Disease
O Infant mortality
O Need for mobility
O Lack of food

The body is protected against harmful flu viruses by

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

Why has two different alleles for the same trait?