The coastal wetlands are losing soil at an alarming rate. In Louisiana, it is estimated that 24 mi2 of wetlands are lost each year, which equates to one football field every 38 minutes. Why is the loss of these wetlands so critical?
What will be an ideal response?
The loss of wetlands is a critical issue not only to the State of Louisiana, but to the nation. The wetlands serve as nurseries for many species of organisms, such as shrimp and redfish. As wetlands decrease, Louisiana's economy, which profits from the sale of seafood, could be severely impacted. There may also be less seafood available throughout the country. The wetlands also serve as protection against storm surges from hurricanes. As more wetlands are lost, more severe flooding has and will continue to occur in Louisiana.
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a. Rotifera. b. Mollusca. c. Platyhelminthes. d. Annelida. e. Nemertea.
AIDS stands for ____
a. Acquired Immune Deficiency Syndrome b. Accelerated Immune Death Syndrome c. Accentuated Induced Deficiency Syndrome d. Advantageous Immunity Deficiency Syndrome e. Acquired Immuno Defense Syndrome
In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). In the F2 generation of a cross between BB ss with bb SS, what fraction of the offspring would be expected to be black and spotted? a. 1/16 b. 9/16 c. 1/9 d. 3/16 e. 3/4
If there are 64 potential codons that code for various amino acids but only about 20 specific amino acids, what must be true about the genetic code?
A) Most of the codons are not used. B) There are two codons for each amino acid, and the rest are stop codons. C) Multiple codons code for the same amino acid. D) All are used, but bacteria and plants each have 20 different amino acids.