Brainliest two answers please :) Francesco Redi conducted the following experiment. Jars of meat with covers did not have maggots. Jars of meat with no covers did have maggots. Francesco Redi conducted the following experiment.

Jars of meat with covers did not have maggots.

Jars of meat with no covers did have maggots.

What should have been a control in Redi's experiment?
A. the flies
B. the jar covers
C. the amount of meat in each jar
D. the number of maggots on the meat

All cells have the same genetic information, but do not express the same genes. how is this possible? question 10 options: the differences are due to gene expression, which can be turned on and off. genetic material in a muscle cell is completely different from genetic material in a skin cell. genetic material is the same in all cells in the human body, except for reproductive cells. differences are due to major changes in genetic information from cell to cell.

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.