Which of the following is NOT a characteristic of all fish? A) two-chambered hea

Question

Which of the following is NOT a characteristic of all fish? A) two-chambered heart B) aquatic life C) presence of jaws. D) skin with scales E) gills as respiratory organ. Which organ system(s) is/are present in flatworms? A) muscular B) digestive C) reproductive D) excretory E) all of the above. What it characteristic of all ecdysozoans? A) the deuterostome condition. B) a pseudocoelom C) some kind of exoskeleton, or hard outer covering. D) agile, speedy, and powerful locomotion. E) the diploblastic condition. A direct consequence of indeterminate cleavage is A) formation of the archenteron. B) the arrangement of cleavage planet perpendicular to the egg's vertical axis. C) the ability of cells isolated 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 Which of the following is NOT a shared characteristic of all chordates? A) pharyngeal slits B) post-anal tail C) notochord. D) dorsal hollow nerve chord. E) four chambered heart. What is the primary role of prokaryotes? A) parasitizing eukaryotes thus causing diseases. B) metabolizing materials in extreme environments. C) breaking down organic matter. D) adding methane to the atmosphere. E) serving at primary producers in terrestrial environments. 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.

Explanation / Answer

ANSWER:

94) Skin with scales

95) All of the above

96) Some kind of exoskeleton,or hard outer covering

97) The ability of cells isolated from early embryo to develop into viable individuals

98) Four chambered heart

99) Breaking down organic matter

100) All chordates are vertebrates

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