A marine invertebrate placed into freshwater would have difficulty surviving because:a
it would not be able to obtain food.
b. it would have difficulty with buoyancy.
c. it would have difficulty with osmoregulation.
d. it would not experience the temperature stability found in the oceans.
e. it would not be able to obtain oxygen due to the absence of waves in the water.
c
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Flowering plants originated during the
A. Permian Period. B. Tertiary Period. C. Devonian Period. D. Cretaceous Period. E. Jurassic Period.
Homologous structures such as the bones in wings, flippers, and arms would be studied in the field of
A. biogeography. B. comparative anatomy. C. comparative biochemistry. D. the fossil record. E. comparative embryology.
A physician sees a new patient who is 25 years old. The patient reports that she has been experiencing recurrent ear, nose, and throat problems resulting from various infections since she was about 5 years old. The infections last for long periods of
time and are difficult to treat. The physician suspects that the patient may have A) an autoimmune disorder. B) an allergic reaction. C) an immunodeficiency disorder. D) abnormal levels of allergens.
The insertion of foreign DNA directly into a cell's nucleus using a glass micropipet is called (electrophoresis/electroporation/microinjection)
What will be an ideal response?