Radi Carry developed a theory named "<span>Spontaneous generation". This theory assumed that living creatures can be generated from non-living things and he used this theory in order to explain the origin of flies.
He carried out another experiment with three jars to check that bad air did not cause any flies.</span>
Answer: The cells in a cytoplasm of the organellesare called cytosol.
Explanation:
Replication of the DNA and cell growth occur during the S-Phase of the cell cycle.
Answer:
Until recent history,extinctions have always happened gradually and on a small scale.
Explanation:
Extinction occur when environmental factors like natural disaster,habitat fragmentation,over exploitation,global change don't favor the survival of species thus gradually leads to extinction of species.
Some times human activity becomes the major problem for extinction.More over,poor reproduction,decline in population number and genetic inbreeding also leads to extinction.
99% of all species that exist on earth become disappeared.
Evolution leas to speciation which leas to formation of new species but species become extinct when they are unable to survive against competition.