9. A new organism has been found that is autotrophic and has a cell wall consisting of silica. This organism can be (A) radiolarian or forams (B) diatom or forams (C) dinoflagellate or forams (D) radiolarian or diatom

19. Comparing the circulatory systems of vertebrates, which statement regarding "double circulation" is CORRECT? (A) In amphibians, oxygen-poor blood flows through the pulmonary circuit only. (B) In reptiles, a complete septum always divides the ventricle into two separate chambers. (C) Double circulation maintains lower blood pressure in the organs compared to single circulation. (D) In amphibians, the pulmocutaneous circuit allows for gas exchange through both the lungs and the skin.

9. A new organism has been found that is autotrophic and has a cell wall consisting of silica. This organism can be
(A) radiolarian or forams
(B) diatom or forams
(C) dinoflagellate or forams
(D) radiolarian or diatom

相關試題

相關試卷

9. A new organism has been found that is autotrophic and has a cell wall consisting of silica. This organism can be(A) radiolarian or forams(B) diatom or forams(C) dinoflagellate or forams(D) radiolarian or diatom

相關試題

相關試卷

9. A new organism has been found that is autotrophic and has a cell wall consisting of silica. This organism can be
(A) radiolarian or forams
(B) diatom or forams
(C) dinoflagellate or forams
(D) radiolarian or diatom