At the end of which period did nearly three quarters of all species of life on earth go extinct in a very short time interval cambrian jurassic triassic cretaceous

Azygote becomes a mature adult through the process of: meiosis or mitosis

The fauces connects which of th following structures to the oropharynx

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.