Dna was proven as the hereditary material through the work of hershey and chase. true false

What are two reasons for why a species might disappear from the fossil record?

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?