A runaway greenhouse effect is a process in which a net positive feedback between surface temperature and atmospheric opacity increases the strength of the greenhouse effect on a planet until its oceans boil away. An example of this is believed to have happened in the early history of Venus.
Complete question:
Question: Susan was bitten by an Anopheles mosquito and tested positive for malaria. What type of pathogen has caused this infection
a. Bacterium
b. Protozoan
c. Prion
d. Virus
Answer:
b. Protozoan
Explanation:
Plasmodium is the causative agent of malaria and is carried by female Anopheles mosquito. The parasite enters the bloodstream when the female Anopheles mosquito bites. Plasmodium is a parasitic protozoan and belongs to the kingdom Protista. Protozoans are unicellular eukaryotes. They are heterotrophic organisms and derive their nutrition from parasitism or predation. Plasmodium is a sporozoan since its spore life stage of the life cycle is infectious.
Answer:
False
Explanation:
A limiting factor is the environmental factor that is of predominant importance in restricting the size of a population.
Answer:
The main types of phagocytes are monocytes, macrophages, neutrophils, tissue dendritic cells, and mast cells. Other cells, such as epithelial cells and fibroblasts, may also engage in phagocytosis, but lack receptors to detect opsonized pathogens and are not primarily immune system cells
Explanation:
