Which level of the food chain is most affected by biomagnification

Aseries of connections of food chain in an ecosystem is called a what

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

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.