Mass strandings of whales occur on beaches near military exercises where sonar is used, raising concerns about the effects of human-generated underwater sounds on animal behavior. Scientists are collecting behavioral data on several species of whales to find out how sonar affects them. Whales communicate with one another using sound. What is one benefit and one cost to whales of using sound to communicate underwater?

Video transcript

Hey everyone. Let's look at the next question, it says, How do most insects, like ants and bees communicate with each other? Well, insects, especially social insects like ants and bees use pheromones and pheromones, ours, we can recall from our content. Video chemical signals secreted. That triggers some sort of response in individuals of the same species. And among the things they can do, they can attract the opposite sex, They can raise an alarm. They can mark food trails and trigger even more complex behaviors. So when we look at our answer choices, we see that choice A is through a chemical signal. And that is correct since pheromones are chemical signals. And if we think about it, when we look at the other answer choices, we have choice be through visual cues, choice, see through auditory cues, choice D through tactile cues. All of these choices. Visual auditory tactile are things that require individuals to be relatively close to each other, whether to see to hear or to feel things. And of course most insects are very small in a world full of large objects larger than they are and so having to be close to each other would limit their ability to communicate. Whereas leaving behind chemical signals allows greater distance. They can leave trails behind um and communicate in a as little little individuals in a big world, you might say so again, How do most insects, like ants and bees communicate with each other choice A through a chemical signal? See you in the next video