Answer:
Full or New Moon + Perigee
Ephemerals - wildflowers and weeds
Answer: B. They are a first line of defense that can begin killing pathogens immediately.
Explanation:
B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.
Obligate intracellular parasites<span> cannot reproduce outside their host cell, meaning that the </span>parasite's<span> reproduction is entirely reliant on </span>intracellular<span> resources. </span>