What challenges would you expect scientists to face when growing plants in space? What challenges will the astronauts have with meeting their own energy needs?

What adaptation is apparent in the bodies of the three tortoise species shown in figure 16-2

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

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