Modern classification is based on A. structural similarities
B. Biochemical evidence
C. evolutionary relationships
D. analogous structures

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?