Plants
Watering promotes growth - a derivative of sowing (Shabbat ע״ג ע״ב (73b)). Picking a flower or fruit - reaping. Chazal also decreed against climbing or using a tree, lest one pluck (Beitzah ל״ו ע״ב (36b)). Walking on grass - permitted.
Watering, picking a flower, feeding a dog, trapping a fly - map sowing, reaping and trapping outside the kitchen.
Watering promotes growth - a derivative of sowing (Shabbat ע״ג ע״ב (73b)). Picking a flower or fruit - reaping. Chazal also decreed against climbing or using a tree, lest one pluck (Beitzah ל״ו ע״ב (36b)). Walking on grass - permitted.
Trapping is an av melakhah. One may feed animals dependent on a person (pet dog, cat), but not animals whose food is not your responsibility (SA OC 324:11). Animals are inherently muktzeh.
A study framework only - for a practical question, ask a rabbi.
Before Shabbat, set out water and food for your pet.
Nature rests too - we observe it instead of changing it.
Test yourself before marking the lesson complete.
Watering a plant is a derivative of -