In this activity, you will identify portals of entry and exit found in a human host. sort each item based on whether it represents a portal of entry, portal of exit, or both portal types.

Portal of entry only: parental route

Both Portal of exit and portal of exit: skin, mucous membrane

Portal of exit is known to be a path in which pathogen leaves the host while portal of entry can be defined as the manner in which a pathogen enter the susceptible host. In portal of entry, there must be access to tissue for the multiplication of pathogens or a toxin can act.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: