The history of life on Earth began about 3.8 billion years agohumans have been around for a mere 0.004% of the Earth's history
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants. They all have the same basic pattern of bones. They inherited this pattern from a common ancestor. However, their forelimbs now have different functions
Answer:
Used to make bread.
Explanation:
Yeast is a single-celled fungus. It is able to ferment sugar, producing alcohol and carbon dioxide in the process. It has long been used to make beer and wine as well as bread (the carbon dioxide causes the dough to rise).