Answer:
A.They created a record of life on Earth.
B.They grouped organisms by their similarities.
C.They grouped organisms by the period in which they existed.
Explanation:
Did the test hope this helps
Plants on Earth provide food, some even provide shelter to some animals, and plants such as trees provide oxygen to the environment.
The food that is not a good source of complex carbohydrates is milk.
<h3>What is carbohydrate?</h3>
The carbohydrate is one of the six classes of food. The six classes of food that we have are; fat, carbohydrates, protein, vitamins, minerals and water. Carbohydrates are made up of glucose molecules as it is a macromolecule.
These molecules are eaten for the purpose of energy because they are broken down in the body to give glucose which is a source of energy in the body.
Thus, the food that is not a good source of complex carbohydrates is milk.
Learn more about carbohydrates:brainly.com/question/14614055
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