The lymphatic system plays a role in defending the body against pathogens and maintaining a state of homeostasis.
Answer the following statement true (T) or false (F)
True
It is true that the lymphatic system plays a role in defending the body against pathogens and maintaining a state of homeostasis.
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Fire is an example of __________
a. a disturbance b. an opportunistic activity c. a life zone d. both a disturbance and opportunistic activity
Gause's experiments with populations of different species of Paramecium show that:
a. competitive exclusion can result in the extinction of a species b. species will always equally subdivide a limiting resource c. character displacement will always prevent extinction of a species d. niche theory does not always hold true e. one species did not eat the same bacteria
Four of the five answers listed below are characteristic reactions of the complement system to
invaders. Select the exception. a. causes an amplifying cascade of reactions to invaders b. triggers the secretion of histamines c. causes invading cells to lyse d. enhances the recognition of invaders by phagocytes e. creates gradients that attract phagocytes
The pressure at the bottom of a pond does not depend on the
What will be an ideal response?