1. SNAKES DO NOT HAVE LIMBS. THEN HOW THEY ARE ABLE TO MOVE?
2. WHY DO YOU THINK PENGUIN, OSTRICH ETC CANT FLY?
3. WHAT IS MIGRATION?
4. HOW AERIAL ANIMALS ARE ABLE TO FLY?
5. WHY FISH CANT MOVE ON LAND, AND WHAT FEATURES HELP FISH TO MOVE IN WATER?
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Answers
Answer:
1. Snakes have four ways of moving around. Since they don't have legs they use their muscles and their scales to do the "walking". ... Snakes will push off of any bump or other surface, rocks, trees, etc., to get going. They move in a wavy motion.
2. Penguins can't fly because they likely had little or no threat from predators in their past.
3. The seasonal movement of a complete population of animals from one area to another. Migration is usually a response to changes in temperature, food supply, or the amount of daylight, and is often undertaken for the purpose of breeding. Mammals, insects, fish, and birds all migrate.
4.Powered flight uses muscles to generate aerodynamic force, which allows the animal to produce lift and thrust. The animal may ascend without the aid of rising air.
5. A fish's tail fin is called the caudal fin, and is like a fish's hips and legs. While fish in water mainly use pectoral fins for side-to-side or up-and-down movement and move forward using the caudal fin, this changes for fish out of water. ..
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Explanation:
Answer:
2. they can't fly because of the morphological changes adapted due to the laziness of the organism.Hence there wings have became weak.
3. when a person come from a village to a city to earn this is known as migration
5.Fish are adapted to the water and they can't breath on land hence they don't move on land. Gill and its tail helps fish to move in water