What molecules do both dna and rna contain?
a uracil
b thymine
c nucleotides
d deoxyribose

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

These are the components of the reservoirs of carbon that are exchanged in our environment.

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.