Which normal cell characteristic is represented by the production of insulin in the beta cells of the pancreas? select one: a. conservation of energy b. performance of a differentiated function c. ability to undergo apoptosis on schedule d. tight regulation of cell division

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.

What are characteristics of minerals? select 3 choices

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d