List the four primary tissue types found in the human body and indicate their main function(s).
What will be an ideal response?
1. Epithelial tissue: covers body surface, lines body cavities and forms glands.
2. Connective tissue: binds and supports body parts.
3. Muscular tissue: moves the body and its parts.
4. Nervous tissue: receives stimuli and transmits impulses.
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Match the following items with the correct phrases.
_______1. Example of the immunity that results from the body's response to an invading microorganism. _______2. Example of the immunity that results from the body's response to a vaccine. _______3. Example of antibodies that a person receives in an injection of gamma globulin (immune serum globulin). _______4. Examples of maternal antibodies that a fetus receives across the placenta and maternal antibodies that an infant receives in colostrum. a. artificial active acquired immunity b. artificial passive acquired immunity c. natural active acquired immunity d. natural passive acquired immunity
Scientists are attempting to genetically modify rice so that it will not incorporate ____ into the grains
a. arsenic b. methylmercury c. chelated iron d. lead e. uranium hexafluoride
When the immune system no longer recognizes self-antigens what can result?
a. complement activation b. allergy attack c. autoimmune disorder d. hypersensitivity
Some ecologists have proposed that gaps created by disturbances lead to habitat heterogeneity, which, in turn, leads to the coexistence of greater numbers of tree species in tropical habitats, as compared to temperate habitats. Which of the following hypotheses is most closely associated with this proposal?
A) Red Queen hypothesis D) intermediate disturbance hypothesis B) character displacement hypothesis E) energy-diversity hypothesis C) Hamilton-Zuk hypothesis