This is a living thing, such as a plant, that can make its own food.
A. consumer
B. herbivore
C. biotic
D. producer
Select your answer:
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Microbiology › ViewSCID is defined by a lack of functional B and T cells which eliminates protection by humoral and cell-mediated immunity. Which of the following is true?
A. A genetic defect disrupts the development of the lymphocytic cell lines.
B. A genetic mutation renders the individual incapable of removing a toxic DNA metabolite from lymphocytes, which ultimately destroys them
C. Genes coding for B and T cell receptors are mutated so the cells are incapable of binding antigens.
D. All of the above describe cases of SCID.
Transportation in Organisms › View
What is the excretory system in living organisms?
A. The excretory system removes waste and excess materials from the body.
B. The excretory system is responsible for producing energy.
C. The excretory system regulates body temperature.
D. The excretory system helps in digestion of food.