Answer: A I think
Explanation: I'am really sorry if i'am wrong
The two animals which use echolocation are bats and dolphins.
Both hunt their prey by articulating high-pitched sounds and listening for the echoes.
<h3>What is echolocation?</h3>
Echolocation is a method used by bats, dolphins and other animals to select the location of objects using reflected sound. This allows the animals to move around in pitch darkness, so they can guide, hunt, identify friends and enemies, and avoid obstacles.
Thus, bats and dolphins are two animals that use echolocation.
To learn more about echolocation click here:
brainly.com/question/3942501
Animals or us humans because we were animals we had the first cell i think
Answer:
food pellet
Explanation:
Unconditioned stimulation is a stimulus that causes an automatic and natural response to a specific situation. In the case of the situation shown in the question, the unconditioned stimulus is the food pellet, because the rats when they smelled vanilla knew they would get a food pellet in the left corner of the cage, so when the rats felt the vanilla smell automatically shifted to the left corner of the cage, even if they didn't receive the food pellet.