Dolphins doesn't have vocal cords, on the other hand generating
sounds is a complex system of shrieks, Squeals, groans, trills, and clicks are generated
by their sphincter muscles inside the blowhole. <span>The
sphincter muscle is a circular </span>muscle<span> that usually retains contraction of a natural
body passageway or opening, which relaxes as required by normal physiological
functioning</span>
Sea urchins tend to have great camouflage because they sometimes carry algae and rocks on their shells.
<h3>What is camouflage?</h3>
Camouflage is a defense mechanism used by certain organisms to avoid predation or surprisingly attack their prey.
Different animals possess different camouflage mechanisms. For example;
- Chameleons change their color to that of their immediate environment
- Certain snakes hide in vegetations that blend with their skin color.
However, sea urchins are aquatic animals that tend to have great camouflage because they sometimes carry algae and rocks on their shells.
Learn more about camouflage at: brainly.com/question/10913375
Euglena is green in color because of the chlorophyll that is contained in the chloroplast of that organism and the body structure that is located at its base is known as flagellum
.
Explanation:
Euglena are species that are found in the fresh and salt water. They are abundantly found in inland waters where they manage themselves to bloom in large amount and color the water surface of ditches and ponds green.
This green color which them form are mainly due to the chlorophyll that is contained in the chloroplast of the organism. chlorophyll is known to be the pigment that is responsible for the green color.It is the cause for the green color in this case too.
Euglena contains a specialized body structure which is located at the base of the tail by which it manages to move.
This specialized structure is known as Flagellum.
Air masses that form near the equator or in the tropics (equatorial or tropical air masses) are warmer than air masses that form in polar areas or uin the Arctic (polar or arctic air masses).