Answer:The optical microscope, often referred to as the light microscope, is a type of microscope that commonly uses visible light and a system of lenses to magnify images of small objects.
Explanation:Optical microscopes are the oldest design of microscope and were possibly invented in their present compound form in the 17th century.
Consume food,from scavenging,water,
Nonvirulent bacteria can still be transformed into virulent bacteria if it is combined with debris from heat-killed virulent bacteria that is first treated with RNase, protease, or no enzyme because these are important factors for the establishment of virulence and are often required when bacteria modify their genetic record in response to the conflicting or adverse situations.
The correct answer should probably be Natural selection. Those elephants could not adapt to the environment unlike those in Asia and Africa and eventually became extinct.
The ureter is the tubes that connect the kidneys the the bladder
The urethra is the exit point for excess water that goes through your ureter
