Keys and Kingdoms Activity Worksheet. Please help me with answers!!!

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

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

Complete the possible outcomes for each generation in the pedigree chartaa aa aa