Answer:
Active immunity
Explanation:
Active immunity is when the body makes its own antibodies to protect against the disease in the future. Passive immunity is when another person or animal's antibodies are introduced to produce immunity.
Hope this was helpful! :)
Answer:
the for the question is 4
To classify animals and distinguish them
<span />
Living things in the environment such as plants, animals, and bacteria are biotic factors. Biotic factors also include once-living parts such as dead leaves on the forest floor. Abiotic factors are nonliving aspects of the environment such as sunlight, temperature and water. One important abiotic factor is soil.
