Apersistent infection is one in which viral replication is unusually slow. host cells are gradually lysed. the disease process occurs gradually over a long period. the virus remains in equilibrium with the host without causing a disease. host cells are transformed.

The pelican's beak is adapted for in .

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 is abiotic? a. tree sap b. insect c. sunlight d. wood table