Answer:
A species that has no permanent home.
Mesoderm
Mesoderm is the primary germ layer that is responsible for producing both blood and phagocytic brain glial cells.
The mesoderm is the middle of the three germ layers that appears in the third week of embryonic development. The mesoderm is responsible for the formation of various body structures such as epithelia of blood vessels, blood, muscle, bone, phagocytic brain glial cells, lymphatic vessels, adrenal cortex, notochord, and bone marrow.
Answer:
The body has two lines of natural defense to protect against infection. The first are physical barriers, such as the skin, body secretions and mucous membranes. The second line of defense is the immune system. Specialized immune cells coordinate and execute attacks to kill germs that make it past the body's physical barriers.
Plasma membrane- has 3 jobs
Prokaryotic<span> transcription and translation occur simultaneously in the cytoplasm, and </span>regulation <span>occurs at the transcriptional level. </span>Eukaryotic gene <span>expression is </span>regulated<span> during transcription and RNA processing, which take place in the nucleus, and during protein translation, which takes place in the cytoplasm.</span>