A healthy diet include 7 food groups, which of the following is a food group helps us to have healthy skin ? 1Carbohydrate

2Fats

3Protein

4vitamin C

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.

There are only about 250,000 known fossil species. true or false