Draw an label atleast 7 parts of a bird

Which osmotic and ionic strategies must marine teleost fishes employ?

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?