Answer:
cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
Explanation:
They left so it would be emigration. Hope that helps!
The symbol on a regulatory marker
that indicates hazards such as rocks or stumps is an Orange Diamond. Regulatory
markers are types of non-lateral markers such as white and orange markings that
are used as navigation aids that give directions, warn of dangers and marks
controlled locations. Orange diamond shapes warns of dangers such as rocks,
stumps or construction.
Answer:
hope it helps you
Explanation:
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Answer:
Our immune system produces antibodies against that antigen of pathogen.
Explanation:
Injecting an antigen from a pathogen would help our immune system memorize the infection and protect our body from causing of the disease because our immune system produces antibodies against that antigen so when the pathogen enters our body these antibodies attack on that and prevent them of causing infection in the body so that's why injecting an antigen has to be done from the childhood to prevent diseases.