Dna gets duplicated during a process called replication when does it happen

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.