The (12)....... source for many birds, bats and reptiles, while plants rely on

II. Reading (2.0 points)
Part 1: Read the passage and complete each blank with a correct word. Write A, B, C, or D on your answer sheet.
Scientists are increasingly concerned about the decline of some populations of insects. One scientific review of insect numbers in 2019 pointed to 40% of species facing "alarming rates of decline" (11)....... eight times faster than around the world. The study said bees, ants and beetles were of insects has serious consequences as they provide a food mammals, birds or reptiles. The (12)....... source for many birds, bats and reptiles, while plants rely on insects for pollination.
Scientists say (13)....... pollution may be contributing to the declines in insects in recent decades. Modern LED streetlights seemed to have the biggest impact. The researchers think these lights may prevent night insects (14) ....... laying their eggs or put the insects in danger of being seen and (15)....... by hunters such as bats.
(Adapted from www.bbc.com)