Please help ASAP Prompt
A) Explain how each of the following three ecological disruptions would affect the number and size of trophic levels in an ecosystem:
i. Decrease in the available sunlight
ii. Increase in the number of producers
iii. Increase in the availability of a resource that was limiting the herbivore population size
B) Describe the concept of trophic efficiency.

This is so important ugh its 25 points

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.