In mutualism
A. the mutualist is dependent on the host.
B. the partners will not survive separately in many cases.
C. a reciprocal benefit accrues to both partners.
D. All of the choices are correct.
Answer: D
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Which two animals are both classified as suspension feeders?
a. clams and aphids b. clams and fiddler crabs c. lampreys and rabbits d. lampreys and rabbits e. whales and clams
Parvoviruses are among the simplest known DNA viruses of animals.
Answer the following statement true (T) or false (F)
What comprises about half of our non-coding DNA?
A. Introns D. Repeating sequences B. Promoter regions E. Single nucleotide polymorphisms C. Exons
Amniotic fluid is produced by ____ and then reabsorbed by ____.
A. Amnion then Maternal Tissue; Fetal Swallowing B. Amnion then Maternal Tissue; Placenta C. Placenta; Fetal Epidermis D. Placenta; Fetal Swallowing E. Placenta; Placenta