I don't know exactly what you mean but the size of a group affects its defense because there is a larger group. Therefore, more people would be protecting it, adding more to its defense.
Flower because the others are a organ which make the plant live but the flower is more of a decorative thing to make the plant stand out
The answer for your question is 1. Easy to grow crops
The answer is A. To answer scientific questions accurately
<span>Malthus reasoned that if the human population continued to grow unchecked, sooner or later there would be insufficient living space and food for everyone.
That is all i know sorry if this does not help
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