I think it is the first one
Answer:
Explanation:
Active - the process of exposing the body to an antigen. Exposing the body will generate an adaptive response that takes a few days or weeks to develop and can be life long lasting.
Passive - it is provided when we are given antibodies to disease. Instead of producing the antibodies with the immune system, they are given. Like a newborn baby acquires immunity from the placenta.
Natural - it works to fight off pathogens before they begin an active infection. Sometimes it is not enough to stop the pathogen or the pathogen exploits the immune response and gets to the cells.
Answer:
Cheetahs have paws that are narrower than other large felids, resembling the paws of dogs rather than cats. During fast sprints, a cheetah's paws have minimal contact with the ground.
Cheetahs have claws that are blunt, slightly curved, and only semi-retractable. Cheetah claws are like running spikes, used to increase traction while pursuing prey. Ridges running along the footpads act like tire treads for additional traction.
Cheetahs have a curved dewclaw on their forelegs. While in pursuit, as a cheetah nears its target, it will swat and trip the prey animal with its dewclaw.Explanation:
