Francesco redi performed an experiment in 1668. in the experiment, he placed rotting meat in two jars. the first jar was left open. after a few days, fly larvae were found on the decaying meat inside. the mouth of the second jar was covered with gauze. after a few days, the decaying meat inside was free of fly larvae, but larvae were found on the gauze. this experiment supports the hypothesis that

The experiment performed by Francesco Redi supports the hypothesis that fly larvae only come from adult flies based on his experiment design using a covered-meat and non-covered meat. In addition, he also believed that maggots came from the fly rather than from the rotten meat by using the same experiment design.

cell regulation is conducted by special proteins.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.