In this lesson, students will compare similarities and differences that exist within species, such as individual examples of the same kind of plants.
ambrotype, tinted, sixth plate, Case: 9.6 x 8.3 cm (3 3/4 x 3 1/4 in.); Overall: 8.3 x 7 cm (3 1/4 x 2 3/4 in.); Matted: 60.9 x 48.2 cm (24 x 19 in.). Gift of Charles Isaacs and Carol Nigro 2003.293
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