Which organelle synthesizes steroids in the ovary and stores calcium in muscle cells?

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?