The excretory system used by most annelids and adult mollusks consists of tubules called
a. nephrons.
b. hepatic tubules.
c. metanephridia.
d. Malpighian tubules.
e. protonephridia.
C
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A diploid organism has a chromosome with 10 genes. It has a different allele for each gene on its two
chromosomes. How many possible outcomes for chromosome destined for a gamete after meiosis exist? What will be an ideal response?
Generally, a pair of homologous chromosomes __________.
A) carry the same genes B) are the same length, shape C) interact at meiosis D) all of these choices
________ states that depressed individuals are characterized by a negative cognitive tried, which shows their tendency to have negative views of themselves, their world, and their future.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a sustainability practice designed to conserve water?
A. use green roofs B. build retention ponds C. use sediment traps for storm drains D. use low-flow or trickle irrigation E. use nonporous surfaces for parking lots