species are the first species to colonies disturbed or newly created environment

What best explains the inability for life to exist in earth early atmosphere

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are