In addition to resembling one another, what other criteria are required for organisms to be grouped in the same species?

a. they only migrate with one another

b. they only reproduce with one another

c. they only share food with one another

d. they only fight with one another

Which of the following terms describe a liquid molecule that has only single bonds between its carbon atoms

Classify the structures as homologous or analogous, depending on their structure and function.

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