What is the common ancestor of all the other organisms?
select one:
a. protozoans
b. protophytes
c. sponges
d. protists

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

What is the main fuel source for the work of the cell