According to modern systems of classification, birds are descendants of T<span>heropoda dinosaurs. These dinosaurs are called Paraves. From this clade, a node is made during the evolution. The new clade is called Aves. This is where birds are classified.</span>
Mitochondria is the powerhouse of a cell so with that being said
Answer:
eukaryotic
Explanation:
Fungi (or Mushrooms) are eukaryotic and have a complex cellular organization.
Algae are eukaryotic cells, or cells that contain a nucleus, which makes them slightly more complex than bacteria
Protozoa are single-celled eukaryotic (organisms whose cells have nuclei) that commonly show characteristics usually associated with animals, most notably mobility and heterotrophy.
Answer:
If the mitral valve doesn't close properly, systemic circulation will be affected.
Explanation:
Answer:
Langerhan's cells
Explanation:
The Langerhan's cells arise from the bone marrow and migrate to the epidermis. The Langerhan's cells are the body's first line of defense and play a significant role in antigen presentation. They need special stains to be visualized and are primarily found in the stratum spinosum. These are the mesenchymal origin obtained from CD34 positive stem cells of bone marrow and are part of the mononuclear phagocytic system.