How many trophic levels do most food webs have? Why? Relate your answer to the appropriate law of thermodynamics

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.