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
Answer:
Viruses use their own catabolic enzymes.
Explanation:
Viruses are the infective particles present in the environment which encloses their genetic material which could be wither RNA or DNA enclosed in the protein coat.
The protein coat is made of the capsomers which are arranged in the tubular structure forming capsid. The viruses do not contain the metabolic machinery of their own that is the reason that they do not have replication or transcription or translation machinery. For this they are dependent on the host organisms as they use their machinery.
Thus, the selected option is correct.
This male fiddler crab is waving his claws to attract a female, This is inherited, Option D. This is further explained below.
<h3>What is an inheritance?</h3>
Generally, inheritance is simply defined as the transmission of genetic traits from parents to children.
In conclusion, The female attraction technique is an inherited attribute,
Read more about Reproduction
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Answer:
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They think they are sneaky with there like 1000 profiles, what a fool they are, if you have the same pic people will instantly know!!
