The first wildlife refuges were established in the United States shortly after 1960.
a. true
b. false
Answer: b. false
Biology & Microbiology
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Phycobilins are
(a) photosynthetic pigments. (b) found in the red algae. (c) blue and red pigments. (d) all of the above.
Biology & Microbiology
A spontaneously generated enclosed bilayer structure is called a(n) ____
Fill in the blank with the appropriate word.
Biology & Microbiology
Which group of cells makes antibodies?
a. Red blood cells b. B cells c. Platelets d. C cells e. T cells
Biology & Microbiology
TRAIT SPECIESABCDE110000211111311111411110511100611000 The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, while a "1" indicates the derived condition. Based on this data, which pair of species diverged most recently?
A. 6 and 5 B. 1 and 4 C. 2 and 3 D. 6 and 4 E. 2 and 4
Biology & Microbiology