The one component of a cell that distinguishes all three domains from each othe is the nucleus
EcosystemTropical Savanna is found between sections of tropical rain forest and deserts. They have 2 seasons; wet (constant humidity) and dry (long periods of dry spells and drought that may cause fires).
Both savanna buffalo and forest buffalo live close to water. The buffalo are found throughout the northern and southern savanna as well
as the lowland rain forest.
<span>How might this population suddenly increase? How might this affect the ecosystem? If there was an increase in population; grasslands during the wet season will be gone, more predators will flock for an abundance of buffalo.
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<span>What might happen to the ecosystem if this population was removed? If you remove the buffalo from the savanna ecosystem, it can cause a ripple effect such as populations of small mammal (mouse) will double, which will attract more snakes (venomous), it can cause the flea and tick population to increase, and the increase in tick/fleas can cause the risk of transmission of flea/tick borne pathogens.</span>
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Helper T cells <span>are required for almost all </span>adaptive immune responses<span>. They not only help activate B </span>cells to<span> secrete antibodies and macrophages </span>to<span> destroy ingested microbes, but they also help activate cytotoxic </span>T cells to<span> kill infected target </span>cells<span>.</span>
