Answer:
A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria
Explanation:
Reproduction, growth, renewal and repair are all reasons for cell division in multicellular organisms.
Cell division is a process that allows a parent cell divides into more smaller cells. It is classified as mitosis and meiosis. Mitosis produces diploid cells that will be used for growth or repairing tissue. Meiosis will produce gamete that has a role in reproduction.
Answer:
mosses or lichens, algae fungi
this organisms are knows as pioneer species because they are the first species present.
B is forsure the right answer !!!!
Answer:
The answer is dominant.
Explanation:
The species in a community that is more abundant in number or biomass than any other is the <u>dominant</u> species, although not necessarily the species that has the greatest impact on the community. Dominant species, therefore, also have bigger niches and represent a big part of the competition with others.
