Answer:
Stimulate an immune response
Explanation:
The vaccine is a preparation that contains a weakened or killed form of microorganism (or part of them) that stimulates the immune system to produce memory antibodies to recognize that microorganism in the future. After the body produces the memory antibodies, if a person is in contact with that microorganism the body recognized them as “strange” and the body response to killing them is faster before the infection. In some cases is necessary to apply various doses of the vaccine in a certain time to maintain the memory antibodies.
Answer:
C
Explanation:
According to Worldwildlife.org, Forest play a critical role in mitigating climate change because they act as a carbon sink - soaking up carbon dioxide that otherwise be free in the atmosphere and contribute to ongoing changes in climate patterns.
The three major rocks are igneous, sedimentary, and metamorphic
the two types of igneous rocks are diorite and gabbro
Answer:
The correct answer is - the presence of pores.
Explanation:
The name Porifera is a term that means pore bearer as these individuals are one cell thick with many tiny pores present on their body and some big openings as well. These small pores are one of the characteristic features of these organisms. It distinguished the Porifera phylum from the Cnidaria phylum. There are many other microscopic and behavioral features present to classify them but in the lab presence of pores is important.
