Two related animal species mate and the egg is fertilized, but the embryo fails to develop properly. This is an example of

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

49 ! how are energy cycles and growth cycles related?

Which of the following terms would bb represent in an organism? a.phenotype b.genotype c.genetics