Question 242 pts Recent studies have found that chemicals extracted from reef sp
ID: 303541 • Letter: Q
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Question 242 pts
Recent studies have found that chemicals extracted from reef sponges have "antibacterial, antiviral, antifungal, antimalarial, antitumor, immunosuppressive, and cardiovascular activity."
An argument to conserve the coral reef because of the possibility of finding new useful drugs from reef sponges in the future would be:
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Question 252 pts
Global estimates of species richness are likely to be best for which of the below taxa?
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Question 262 pts
Which of the below is TRUE regarding desertification?
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Question 272 pts
What is true about human use of the Tropical Dry Forest biome versus the Tropical Rainforest biome?
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Question 282 pts
Which of the below is true about Brazil's Araucaria trees?
Will rate when all are answered.
Direct use valueExplanation / Answer
(1)Direct use value
The drugs derived from the coral reefs give them consumptive value which is directly used against pathogens.
(2)Birds and flowering plants
Insect pollination,effective dipersal systems,diversity of growth forms,and many other factors have allowed flowering plants to dominate and variation in bird species lead to so many bird species on earth.
(3)It can happen as a result of non-sustainable agriculture.
Desertification is the process of destruction or degradation of rich land into desert as a result of natural disaster,drought,overgrazing or poor agriculture practices.
(4)Dry forest is best suited for agriculture,so had been destroyed to a greater degree
Nutrients in tropical rainforest biome leach out from soil due to high rainfall.
(5)They were once brazil's leading export,but now almost completely gone.
The tree is easy to cut due to soft wood and has many economic uses which made it to the red list.
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