Answer:
D. Anther
It is crucial in the reproduction of flowering plants, as it produces the male gametophyte, known as pollen.
Answer:
A decline in the bacterial population will be observed. It is possible after a long time that these bacteria become resistant to those antibiotics
Answer:
If decomposers are removed from ecosystem,there would be no organic nutrients and all the dead plants would destroy the animals habitat. The ecosystem will be fill by plants and animal wastes as there will be no decomposition of waste material.
I believe it's the the decrease of owls and if i' wrong sorry