Discarded plastic nets (known as ghost nets) and cargo straps are responsible
a. for the accumulation of debris.
b. for the death of up to 300,000 fur seals annually.
c. for reduction of lobster.
d. for catches of shellfish.
e. for supporting a viable fishery.
B
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Mitochondria have an unusual characteristic for organelles that make them very useful in genetic studies. This characteristic is ________.
A. mitochondria contain their own DNA B. mitochondria are only found in females C. mitochondria produce a lot of ATP D. mitochondria have an unusual membrane
Arthropods usually detect chemicals in water or air with their:
a. antennae b. legs c. mouths d. noses e. eyes
Excessive use of antibiotics can negatively impact bone health through its effects on
What will be an ideal response?
A breakfast cereal is advertised as containing essential vitamins and minerals. In this context, the word essential means __________.
a. that the substances contain the "essence" of the vegetables from which they are extracted b. that they are the nutrients that should comprise the largest component of our diet c. that they are necessary for life d. that the nutrients must be supplied in the diet and cannot be made in the body e. nothing: this is just a gimmick