Biology, 27.03.2020 03:05 christine44gordon
What job(s) do these parts of a cnidarian have?
cnidocytes
gastric cavity
Ectoderm-outer cell layer of a cnidarian
nematocyst
inner cell layer of a cnidarian
Answers: 2
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All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time
Answers: 1
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According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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As a result of these processes the single celled organism accomplishes
Answers: 1
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The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell
Answers: 3
What job(s) do these parts of a cnidarian have?
cnidocytes
gastric cavity
Ectoderm...
cnidocytes
gastric cavity
Ectoderm...
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