each of the following, write on the blank line the letter of the word or phrase
ID: 135312 • Letter: E
Question
each of the following, write on the blank line the letter of the word or phrase that bes completes the statement or answers the question. The neural crest of vertebrates develops from the (A) ectoderm. (B) mesoderm. (C) endoderm. (D) notochord 13. 14.- ?? Most fishes (A) have double-loop blood circulation.(B)exchange gas through the skin. have single-loop blood circulation. Fish scales made of bone and skin are (A) ctenoid. (B) cycloid. (C) ganoid. (D) placoid. A movable flap over the gills of some fish is called a(n) (A) lamella. (B) operculum. (C) nephron. (D) gill filament. (D) have lungs. 15, 17. The part of a fish's heart that receives the blood from the body is the (A) ventricle. (B) gills. (C) atrium. (D) capillary network 18. Special receptors in fishes that detect movement in water are called the (A) Jacobson's organ. (C) swim bladder. (B) tympanic membrane. (D) lateral line system. The membrane of a reptile's amniotic egg forms a sac that holds the embryonic wastes. This membrane is called the (A) chorion. (B) amnion. (C) yolk sac. (D) allantois Reptiles are (A) endotherms. (B) isotherms. (C) ectotherms which order of reptiles do turtles belong to? (A) Sphenodonta (B) Testudinata (C) Crocodilia (D) 20, 21, 22. Which of the following is true of turtles? (A) The dorsal part of the shell is called the plastron. (B) The ventral part of the shell is called the carapace. (C) The vertebrae and ribs of most turtles are fused to the plas (D) Turtles do not have teeth.Explanation / Answer
AS PER CHEGG POLICY, PROCEEDING TO ANSWER A MINIMUM OF FIRST QUESTION, OR, FIRST 4 SUB-QUESTIONS / PARTS / SUBPARTS, THAT IS, IN THIS CASE ONLY QUESTION 13 TO QUESTION 16, UNLESS SPECIFIED/INDICATED TO DO 4 SPECIFIC QUESTIONS BY THE QUESTION UPLOADER:
ANSWER 13.
(A) ectoderm
ANSWER 14.
(C) have single-loop blood circulation
ANSWER 15.
(D) placoid
ANSWER 16.
(B) operculum
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