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Answers
Answer:
1. B.
2. C.
3.Both dolphins and fish have adapted to live their whole lives in the water, both have streamlined bodies and fins. ... As a result, dolphins tails move up and down as they swim, whereas a fish's tail moves from side to side
4. A turtle uses its feets to move through the water. A turtle's feet are webbed , So they can use their feet as flippers , padding themselves along.
5.
Answer:
Aquatic Movement
1] What is the main idea of this text?
=> B) Aquatic animals are animals that live in water.
2] Where does an aquatic animal live?
=>C) In the water.
3] What is the difference between the way most fish and dolphin used tails?
=>Both dolphins and fish have adapted to live their whole lives in the water, both have streamlined bodies and fins. ... As a result, dolphins tails move up and down as they swim, whereas a fish's tail moves from side to side.
4]What does a turtle use to move? What is special about this body part?
=>Turtles are vertebrates, so they have similar skeletal structure to humans. However, the pubic bone is inverted, pointed inward rather than outward, and the pelvis is fused to the plastron. They also have an elongated scapula to aid in movement with the shell.
5] Explain how an aquatic animal can move by thrust.
=>Lift and drag are the mechanisms by which the necessary thrust is produced. It is intuitively correct to expect some relationship between speed of swimming and animal shape and size. Another way to produce thrust is through propulsion, when some mass is forced away, similar to gases expelled by a jet engine.