No links pls Many attribute all diseases to bacteria or viruses, but there are several other causes of disease that are less frequently considered. Describe two others.

Your body comes into contact with a foreign substance for the first time. Explain three of the mechanisms your immune system will use in response to this initial pathogenic exposure. Include the specific term used to describe the immune system’s first line of defense.

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Which of the following is a common response to cell signaling?