Land dwelling insects do not have the ability to excrete ammonia so instead they will convert it into ________
a. urea
b. urine
c. plasma
d. water
e. uric acid
e
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A patient visits a doctor complaining of a stomach infection. The patient insists that he be prescribed enough antibiotics to kill all of the bacteria in his intestines. Why is this a bad idea? (Select all correct choices.)
A. It's notâ€"any bacteria in his intestines will cause the patient to be sick. B. Such an antibiotic treatment could result in a serious C. difficile infection. C. Many intestinal bacteria are beneficial (they provide vitamins or break down cellulose).
The reproductive biology of hagfishes is well understood
Indicate whether the statement is true or false
In pea plants, round peas are dominant (R) and shriveled peas are recessive (r), and yellow peas (shown as light gray in the Punnett square) are dominant (Y) and green peas (dark gray) are recessive (y). Using this information and the partial Punnett
square shown, what phenotype should be in the square labeled B? A) round and yellow B) shriveled and yellow C) shriveled and green D) round and green
Under which condition will a population experience growth?
A. when N is less than K B. when r equals zero C. when N equals K D. when dN/dt equals zero E. when N equals zero