Q: What keeps various species from mating and reproducing outside their own species?


Read this paragraph and choose the correct option from the provided answers:

Figure 18.19 The shape of the male reproductive organ varies among male damselfly species, and is only compatible with the female of that species. Reproductive organ incompatibility keeps the species reproductively isolated.

 Choices:

- digestive system incompatibility

- brain organ incompatibility

- cancer organ incompatibility

- reproductive organ incompatibility


A:
reproductive organ incompatibility