Apes Pops and Biomagnification

Which of the following best describes the action of an endocrine disruptor?

• An endocrine disruptor attacks hormones that invade a body system and cause disease

• An endocrine disruptor blocks the receptor protein binding site of a hormone so that the cell cannot receive a signal.

• An endocrine disruptor acts as an organic catalyst, produced by living things to regulate the rate of chemical reactions.

• An endocrine disruptor helps to transport substances, such as pesticides, in an organism following exposure.

Tags

NGSS.HS-LS1-3

Which of the following best explains why DDT has been found in penguin eggs in the Antarctic?

• Chemicals used in one region of Earth can circulate in the biosphere and affect organisms in a distant region.

• The large number of penguins in Antarctica has resulted in a depletion of their preferred foods.

• Chemicals like DDT are volatile and eventually make their way to the ozone layer.

• Because penguins incubate their eggs on land, the eggs are exposed to DDT

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4