In an aquatic environment, which of the following do NOT have streamlined body that help them move easily in water?

Corals

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Dolphin

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Cat fish

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Swordfish

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Solution

The correct option is A
Corals

Streamlining is a design that provides very little resistance to the flow of air or water, increasing speed and ease of movement.

Almost all the fishes have a streamlined body which helps in easy movement inside water.

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Read the Paragraph given below and answer the question(s) that follow:

There are desert animals like rats and snakes, which do not have long legs that a camel has. To stay away from the intense heat during the day, they stay in burrows deep in the sand. These animals come out only during the night when it is cooler.

Animals living in the mountain regions are also adapted to the conditions there. They have thick skin or fur to protect them from cold. For example, yaks have long hair to keep them warm. Snow leopard has thick fur on its body including feet and toes. This protects its feet from the cold when it walks on the snow. The mountain goat has strong hooves for running up the rocky slopes of the mountains.

We already discussed how fish are adapted to live in the sea. Many other sea animals have streamlined bodies to help them move easily in water. There are some sea animals like squids and octopus, which do not have this streamlined shape. They stay deeper in the ocean, near the seabed and catch any prey that moves towards them. However, when they move in water, they make their body shapes streamlined. These animals have gills to help them use oxygen dissolved in water.

Which of the following features belongs to an animal that is well adapted to sea?

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In an aquatic environment, which of the following do NOT have streamlined body that help them move easily in water?

The correct option is A Corals Streamlining is a design that provides very little resistance to the flow of air or water, increasing speed and ease of movement. Almost all the fishes have a streamlined body which helps in easy movement inside water.

The correct option is A
Corals

Streamlining is a design that provides very little resistance to the flow of air or water, increasing speed and ease of movement.

Almost all the fishes have a streamlined body which helps in easy movement inside water.