C
A community is a group of animals that coexist in the same environment
The correct answer is "neurons".
Neurons are nerve cells which connect to each other using synapses and form neural networks. They exhibit high levels of specialization and are the primary components of the central nervous system.
Myofibrils are contractile fibers which form the striated muscle cells. Sarcomeres are the structural unit of the myofibrils.
Answer:
Taxonomy is the process that deals with classifying different living things.
Explanation:
Scientists use taxonomy for the better understanding of the process of evolution and the evolutionary relation between different organisms. It is very important to classify different organisms in order to understand the relationship. Carolus Linnaeus is known as the father of taxonomy.
Portals of entry are the sites where micro-organisms can enter a host and reproduce, causing diseases or infections. There are various portals of entry in the human body. This can include the skin, our mucous membranes, and even our respiratory and gastrointestinal tracts. Portals of exit are where these micro-organisms leave and spread to other individuals. Portals of exit include coughing, sneezing, and some of our bodily fluids.
