Which solar term reflects the phenological phenomenon of natural organisms?

Those natural phenomena which are influenced by the environment (climate, hydrology and soil) and have an annual cycle are all phenological phenomena, including three aspects: first, the germination, leaf spreading, flowering, leaf discoloration and defoliation of various plants; Second, the first song, the last song, leaving, hibernation, etc. of migratory birds, insects and other animals. ; Some hydrometeorological phenomena, such as first frost, last frost, freezing, melting, first snow and first snow.

The following contents:

1. Odor refers to insects, hibernating animals, etc. Waking up means that spring has come. (2)

2. Xiaoman means that the seeds of summer crops are full, but not yet mature.

3. Miscanthus, which means the crops are mature (2)