Figure 1.

Chaoborus-induced defense morph formation in D. pulex. Chaoborus-induced defense morph formation in D. pulex. (A) A normal first-instar juvenile of Daphnia pulex (magnified view of occipital region: right). (B) A first-instar juvenile bearing neckteeth (magnified view of neckteeth: right). (C) A second-instar juvenile bearing larger neckteeth with two spines. (D) Schematic diagram of the developmental events in the process of the defense morph formation in D. pulex (based on [6]).

Miyakawa et al. BMC Developmental Biology 2010 10:45   doi:10.1186/1471-213X-10-45
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