Organisms that are sessile as adults:a
lack free-swimming larvae.
b. are exemplified by humans.
c. carry out amoeboid movement.
d. do not move from place to place.
e. lack cilia and flagella.
D
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The sharp peak of estradiol secretion during the ovarian cycle
A. inhibits the secretion of LH and FSH. B. stimulates the secretion of LH and subsequent ovulation. C. stimulates development of the uterus. D. causes meiosis I to be completed. E. stimulates development of the uterus and causes meiosis I to be completed.
An antigen is:
a. a phagocytic cell. b. used to combat infections. c. a molecule used by bacteria to destroy antibodies. d. any molecule that is recognized as foreign by the immune system. e. produced by a white blood cell.
What is an advantage of the adjustable gastric band procedure of the gastric bypass?
What will be an ideal response?
How does the nerve cord of chordates differ from the nerve cord of animals in other taxonomic groups?
A) It is surrounded by bone. B) It develops from the gill slits. C) It does not develop until after the embryonic period. D) It does not extend into the tail. E) It runs along the dorsal side of the body.