A biologist is studying the relationship between dissolved oxygen levels at various depths in a lake and the number and type of fish species found at each depth. To begin her study, the biologist has recorded dissolved oxygen readings
for water samples taken from 1,5, 10, 15, 20, 25, and 30 meters. Because of a mistake, one of the water samples was
incorrectly labeled
Which sample in the table is MOST likely to be incorrect or invalid data?
A)
5 meters
B)
15 meters
25 meters
D)
30 meters

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.