The sophisticated behavior of mammals and birds is directly related to
A) their relatively large cerebrum.
B) the presence of a hindbrain.
C) their relatively large midbrain.
D) the presence of a forebrain.
Answer: A
Biology & Microbiology
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There are no transitional fossils between different groups.
Answer the following statement true (T) or false (F)
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Some prokaryotes attach to other substrates by hairlike outgrowths, which are shorter than flagella. These are called
A. fission products. B. endospores. C. plasmids. D. pili. E. flagellin.
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What are the source of antibody-producing cells?
A. Monocytes B. T cells C. Macrophages D. B cells E. Plasma cells
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