Early human embryos have pharyngeal pouches (the same structures that in fish develop into gills) even though humans do not need gills. How does evolution explain this?

Identify the main component f natural gas

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

What is used as a template during replication? a- mrna b- trna c- rrna d- dna