Which system defends against infections and cancer?
a. endocrine
b. circulatory
c. respiratory
d. lymphatic
e. urinary
ANSWER: d
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How could a paleontologist distinguish between a bryozoan fossil and a brachiopod fossil?
A. Bryozoans are large and solitary. B. Zoecia are always found in aggregates. C. You can only distinguish the two by examining the lophophore. D. Bryozoans often look like bivalves. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about lophophorates? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The defense response triggered by the mixing of two incompatible blood types is called
a. coagulation. b. agglutination. c. dehydration. d. phagocytosis. e. opsonization.
Bryophytes lack vascular tissue and lignin and therefore cannot
A. sexually reproduce. B. grow tall. C. asexually reproduce. D. produce a gametophyte stage. E. produce a sporophyte stage.
tRNA contains the genetic code for producing a polypeptide.
Answer the following statement true (T) or false (F)