What could a dog living now and a cat living thousand years ago have in common

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

What is a group of organisms that are closely related and share similar characteristics

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution