A is the correct answer. :)
Answer:
Like bees and other pollinators, butterflies pick up pollen while they sip a flower's nectar. Once they're off to another plant, the pollen goes with them, helping to pollinate the plant species.
Explanation:
Answer:
Unconditioned stimulus.
Explanation:
Classical conditioning may be defined as a type of learning procedure in which the biological procedure is used to pair up with the previous nerve stimulus. This stimulus result in the response of an individual.
The Pavlov experiment with the dog explains the process of classical conditioning. The ringing of bell (conditioned stimulus) is paired with unconditioned stimulus (meat presentation).
Thus, the meat presentation is unconditioned stimulus.
They are absorbed in the small intestine, but I am not 100% sure if it is in the beginning or the middle.
Allopactric speciation<span> on </span>island<span> archipelagos. As the organisms move from </span>island<span> to </span>island,<span> rapid </span>speciation is observed because of difference in resource procurement more than just variation in environment. Once these populations adapt to the environment, speciation rapidly occurs.