Appendix C. Close-up of a Bufo americanus embryo killed inside the egg capsule by water mold, and an embryo hatching precociously in response to water mold.

Close-up of a Bufo americanus embryo killed inside the egg capsule by water mold, and an embryo hatching precociously in response to water mold.一张特写图像，展示了被水霉菌（water mold）杀死在卵胶囊（egg capsule）内的美洲蟾蜍（Bufo americanus）胚胎，以及受水霉菌诱导而提前孵化的美洲蟾蜍胚胎。