A river changes course the way population of mice is subdivided it into two populations the forest on the east side of the stream contains a land predator to that is absent on the western side of the stream

Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.

Which sex chromosome contains more genes? a.x b.y c.r

How has technology been used to address issues related to sewage? o a. sewage treatment plants use bacteria to clean water and solid waste before releasing it into the environment. o b. sewage treatment plants heat water to kill bacteria. o c. sewage treatment plants use landfills to filter and clean water and solid waste before releasing the water into the environment. o d. sewage treatment plants cool water to kill bacteria.