I need help on 7,8 questions please ASAP

Which osmotic and ionic strategies must marine teleost fishes employ?

Environmental impacts on evolution : mastery test

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit