The two viruses known to infect all vertebrates are the rabies virus and the influenza virus. Rabies virus, a member of the Lyssavirus genus, affects the central nervous system of mammals, while influenza viruses, particularly the types A and B, can infect a wide variety of vertebrates, including birds and mammals. These viruses have adapted to exploit the cellular machinery of diverse vertebrate hosts, showcasing their broad host range.
All mammals are vertebrates. The two main sections of the animal kingdom are invertebrates and vertebrates- and mammals fall into the vertebrates section!!
The two primary types of decomposed organisms in bacteria and viruses are saprophytic bacteria and viruses that infect dead or dying organic matter. Saprophytic bacteria break down dead organic material, recycling nutrients back into the ecosystem. In contrast, viruses, particularly bacteriophages, can infect and lyse bacterial cells, contributing to the decomposition process by releasing cellular contents back into the environment. Together, these organisms play a crucial role in nutrient cycling and ecosystem dynamics.
They don't have their own metabolism and they can't reproduce on their own, two reasons for which they are obligatory parasites. They have to infect other cells with metabolisms to reproduce.
Vertebrates and invertebrates.
hemaglutinin and neuraminidase, two surface glycoproteins of influenza that contribute the the virulence of the disease...
Brain and a Spinal cord.
Bilateral symmetry. This means that the animal's body can be divided into two equal halves along a single plane.
There are currently 20 families of viruses that infect humans. There are two additional viruses (Hepatitis D and Hepatitis E) which have not yet been assigned to a families but are clearly distinct from the other families infecting humans. Viruses replicate inside cells by hijacking strands of RNA to duplicate themselves. See the related link for more details on viral diseases.
Hantavirus infection is caused by a group of viruses that can infect humans with two serious illnesses: hemorrhagic fever with renal syndrome (HFRS), and Hantavirus pulmonary syndrome (HPS).
Viruses primarily consist of two main structures: the capsid and the genetic material. The capsid is a protein shell that encases and protects the viral genome, which can be either DNA or RNA. Together, these structures enable the virus to infect host cells and replicate. Some viruses also have an additional lipid envelope derived from the host cell membrane, which can aid in the infection process.
Vertebrates with two pairs of limbs are known as tetrapods.
Viruses have two main structures: a protein coat called a capsid and genetic material, which can be either DNA or RNA. The capsid protects the viral genetic material and aids in the virus's ability to infect host cells. Together, these structures enable the virus to replicate and propagate within a host organism.