What two habitats lack trees shrubs and liquid water

Are substances released into the environment that in excess amounts cause damage

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.

Number and variety of living organisms includes genetic, species, and ecological types