which of the folowing s NOT a characteristic of all fish A) two-chambered heart
ID: 272926 • Letter: W
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which of the folowing s NOT a characteristic of all fish A) two-chambered heart 8) aquatic life C) presence of jaws. D) skin with scales E) gills as respiratory organ which organ system(s) i/are present in latwerms A) muscular B) digestive C) reproductive 95, D) excretory E) all of the above. 96. What is characteristic of all ecdysozoans? A) the deuterostome condition C) some kind of exoskeleton, or hard outer covering D) agle, speedy, and powerful locomotion. E) the diploblastic condition. direct consequence of indeterminate cleavage is A) formation of the archenteron 8) the arrangement of cleavage planes perpendicular to the egg's vertical axis 7. A C) the abllty of cells solated from arly embryo to develop into viable individuals. D) the unpredictable formation of either a schizocoelous or enterocoelous body cavity. E) a mouth that forms in association with the blastopore 98. Which of the following is NOT a shared characteristic of all chordates? D) dorsal hollow nerve chord. E) four chambered heart Aj pharyngeal slits B) post-anal tail Ci notochond Which hormone is incorrectly paired with its action? Aloxytocin-stimulates uterine contractions during childbirth. B) thyroxine-inhibits metabolic processes. c) ACTH.. stimulates the release of glucocorticoids by adrenal cortex. 99. D) melatonin--affects biological rhythms and seasonal reproduction. E) insulin.controls glucose level in the blood. Which is NOT a true statement? A) All vertebrates are chordates B) All chordates are vertebrates C) All protochordates are invertebrates D) Echinoderms and chordates are deuterostomes. E) Sear aquirts and lancelets are Invertebrate chordates. 100.Explanation / Answer
94. C. skin with scales
95. E. all of the above
96. C. some kind of exoskeleton or hard covering
97. C. the ability of cells isolated from early embryo to develop into viable individuals
98. E. four chambered heart
99. B. thyroxine- inhibits metablic processes
100. B. all chordates are vertebrates
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