I would say that the answers are: 'large variation' and 'smaller'. A population of finches with a large variation in genotype, and therefore phenotype, for beak size would allow the population to adapt to changing food availability. The increase in small seeds within their environment would provide a selective advantage to individuals with smaller beaks, as they would be more deft at handling the seeds.
Ground blinds should always be located:
Downwind or crosswind of the spot where you expect to see your quarry because your scent will be carried at ground level and downwind of your blind
Away from the sun
Where the foreground and background are safest
Answer: The answer is A, Transcription
1. X axis - type of sound; y axis - sound level (decibels)
2. whisper - 20 decibels; normal talking - 60 decibels; rock concert - 120 decibels
3. Normal talking is 40 decibels more intense. You can figure this out by subtracting the decibels of whispering from the decibels of normal talking (60-20)
4. The pain threshold is 120 decibels. This means the jet sounds could be painful because it is 140 decibels, or higher than the threshold.
What are you supposed to do here
