The answer is solar wind.
predators, gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg
The circulatory system and respiratory system are protected by your skin, muscles, and ribs.
Self-compatibility (SC)
Mechanisms of single-locus self-incompatibility
i believe those are two of them
