The birds that were eating at the bird feeder initially flew away when the shadow of Charlie’s kite passed over the feeder. However, after Charlie had been flying the kite for 15 minutes, the birds had all returned and didn’t stop feeding when the kite passed overhead. The birds’ change in responsiveness illustrates the learning process known as:

a. sensitization
b. habituation
c. second-order conditioning
d. negative reinforcement

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.

What household products contain algae?