Salt marshes differ from estuaries in that the freshwater input in salt marshes is from a single source.
Answer the following statement true (T) or false (F)
False
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Mendel, in working with monohybrid crosses, discovered that alleles are discrete entities, typically showing two variations per trait. These variations can be separated from each other and observed in the resultant offspring. This was the basis of Mendel's law of ________.
Fill in the blank(s) with the appropriate word(s).
Black smokers are rich in ________, while white smokers have high levels of ________
a. iron sulfide; copper sulfide b. copper sulfide; zinc sulfide c. zinc sulfide; copper sulfide d. copper sulfide; iron sulfide
When the level of glucose in your blood is high, your body is able to store excess glucose in the liver by forming glycogen. When blood glucose levels fall, this stored glucose can be released. Based on this information, which of the following is TRUE?
A) Glycogen is a polysaccharide formed by joining excess monosaccharides of glucose. B) Glucose is a polysaccharide that can join to form the monosaccharide glycogen. C) Glucose is not an organic molecule, but glycogen is an organic molecule. D) Glycogen is a highly branched functional group that forms a larger glucose polymer.
Which of the following best explains why bees aren't attracted to red flowers?
A. Red flowers are imperfect and do not produce pollen. B. Bees perceive red as a warning signal. C. Bees can't see red. D. Red flowers usually are odorless. E. Red flowers do not produce nectar.