Question:2 )  In which location would a dolphin be most dependent on echolocation to navigate?A)   While swimming in muddy watersB)    While swimming in salty waterC)    While swimming in lakesD)    While swimming in cold waterNEXT

Which of the following animals use echolocation? (May choose more than one answer)Question 18Answera.Horsesb.Cattlec.Dogsd.Whalese.Bats

Let's Imagine: Put yourself in the fins of a dolphin and write a captivatingencounter in the ocean on an A4 sheet, fueling your imagination.Kindly read any two books of your choice, prepare a book review,and share the story with your friends.

A dolphin produces a sound wave in water of frequency 7800 Hz.Fig. 6.1 represents rarefactions of the sound wave travelling in the water and hitting the side of awooden ship at an angle.water woodBArarefactionsdirection of wave travelFig. 6.1(a) State what is meant by a rarefaction...................................................................................................................................................................................................................................................................................................[1](b) On Fig. 6.1, two rarefactions A and B are labelled. The distance between rarefaction A andrarefaction B is 0.76 m.Determine(i) the wavelength in water of the sound wave,wavelength = ...........................................................[1](ii) the time taken for the rarefaction at A to reach the point where rarefaction B is nowpositioned.time = .........................................................

Being an environmentalist imagine yourself to be in place of Skyler andLuke. What would you do to save the dolphin???2- It’s time to click and take a ride through the internet -Q1. What do they eat? ...Q2. Do they have any special skills? ...Q3. How long can dolphins live? ...Q4. Do bottlenose dolphins live in groups? ...Q5. Which have dolphins been known to do? ...Q6. How do they communicate with each other? ...Q7. How many species of dolphin are there? ...Q8. Find out about the characteristics of dolphins likea. Physical appearance – colour, body partsb. Social behaviour-c. Playful natured. Language and intelligenceQ9.Is it possible to witness a dolphin in India? If, yes then where and which species of dolphincan we find in India?Q10. Would also like it if you can draw, colour and label the body parts ofyour favorite species of dolphin.➢ Note: All the Science activities will be done in A4 Sheets .➢ Show your creativity by decorating the scrapbook with pictures ofmarine animals.

These swiftlets live in a dark cave in Malaysia. It is too dark to see inside the cave. So, these birds use echolocation to find their nests.As a swiftlet flies, it makes a series of clicks. The swiftlet listens for the echoes the clicks make against the cave walls. The echoes help the swiftlet find objects in the dark.Which parts of the nervous system does a swiftlet use for echolocation? Select all that apply.its brainits nervesits sense organsSubmit