Re-arrange these pictures and put them in chronological order?
a) early mammal
b)bacteria
c)early reptiles
d)early amphibians
pls me

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

What process occurs during cellular development as the cell changes into a specific type of cell with specialized functions? a. binary fission b. fusion c. differentiation d. meiosis

Which of the following terms would bb represent in an organism? a.phenotype b.genotype c.genetics