According to the scientific view, about how many years ago did life on earth begin?

A. 3.5 million years ago

B. 3.5 billion years ago

C. 350,000 years ago

What best preserves the genetic code from one generation to the next

Describe at least two ways in which the evidence for the flat earth theory in the article fails to be scientific

Why is species diversity important in an ecosystem?

What is a plants role in the carbon cycle? A. plants take in oxygen and release carbon dioxide B. plants take in Carbon dioxide and pass it on to animals. C. plants take in carbon dioxide produced by other organisms. D.

If disease wipe out mice would hawks survive

What factors affect the diffusion of water through a membrane by osmosis?

What chemical structure makes up the cell membrane? protein bilayer hydrophilic phosphate phospholipid bilayer hydrophobic fatty acid

Which of the following statements accurately describes the process of dating Earth's history?

Which event occurs first during viral infection? the viral genome and proteins enter the host cell. the virus fuses its envelope to the host cell membrane. the viral genome is transcribed. viral proteins and mrna molecules are assembled?

Summarize the four concepts collectively known as the "cell theory"