Answer:
diversity throughout all living organisms
Answer;
Antibodies.
The human immune system fights infection by releasing antibodies.
Explanation;
The immune system acts to defend the body against pathogens such as viruses, bacteria and fungi that may cause a disease.
It does so using various types of mechanism, one is by the production of antibodies.
Antibodies are proteins that are produced by the B-cell and are used by the immune system to identify and neutralize pathogens.
These antibodies also activates proteins known as complements which assist in the killing of bacteria, viruses and the infected cells.
C) A cell membrane.
Bacteria are unicellular and do not have a nucleus.
i hope i helped:)
the branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
The importance of conservation of habitats is that habitat conservation protects biodiversity in the region.
<h3>Conservation of habitats</h3>
Habitat can be defined as an environment that is made up of resources that are used by a particular organism.
There are different types of habitat which include:
These habitats needs to be conserved to maintain biodiversity which is an essential part of global food security.
Learn more about biodiversity here:
brainly.com/question/11542363