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Lynna [10]
3 years ago
12

How is the shape of a shark's body adapted for swimming?

Biology
1 answer:
inn [45]3 years ago
7 0
Their bodies taper to points at both the snout and the tail, reducing water resistance. Also decreasing drag -- and therefore noise -- are dermal denticles, sharp scales that cover the skin of most shark species.  Rather than bone, sharks have cartilage, which is much lighter and more flexible. In addition, their livers produce squalene, a fatty oil that helps them remain afloat. Their pectoral fins allow them to quickly change direction, dive and swim upward.
 http://animals.mom.me/unique-adaptations-sharks-survive-7845.html
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Assignment: 01.03 Transformation of Energy
trasher [3.6K]

The energy transformations that occur in the given devices are as follows:

  • Windmill - mechanical energy to electrical energy
  • Flashlight - electrical energy to light energy
  • Microwave - electrical energy to heat energy
  • Firecracker - chemical energy to heat, light, and sound energy
  • Bicycle - Chemical energy to mechanical energy
  • Battery - chemical energy to electrical energy

<h3>What is energy transformation?</h3>

Energy transformation refers to the processes by which one form of energy is transformed into another form.

The law of conservation of energy guides the various energy transformations that occur in the universe.

The law of conservation of energy states that energy is neither created nor destroyed but can be transformed from one form to another.

The energy transformations that occur in the given device are as follows:

  • Windmill - mechanical energy to electrical energy
  • Flashlight - electrical energy to light energy
  • Microwave - electrical energy to heat energy
  • Firecracker - chemical energy to heat, light, and sound energy
  • Bicycle - Chemical energy to mechanical energy
  • Battery - chemical energy to electrical energy

In conclusion, energy transformations occur according to the law of conservation of energy.

Learn more about energy transformations at: brainly.com/question/382594

#SPJ1

6 0
1 year ago
Evidence suggests that there is a relationship between ancient dinosaurs and modern birds. Through time, each occurrence of a ne
damaskus [11]

The answer is mutation of genes.  The mutations were beneficial and gave the individuals of  the population advantage and hence increased their survival. The classic features of birds evolved one by one and gave birds advantage over their dinosaurs counterparts, especially the feature of small size.






5 0
3 years ago
Read 2 more answers
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