Insulin is a protein that is vital for human survival and is made by special cells in the pancreas. Which organelle in these cells is the site of insulin production? A. golgi body

B. endoplasmic reticulum

C. mitochondria

D. chromosomes
middle school

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

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.

Eutrophication caused by human nutrient pollution.