Question

R6.What do "fimbriae" of bacteria do? A) catch food B) absorbing liquid food. c) sticking to a substrate D) help in sexual reproduction. E) all of the above t is the evolutionary advantage of closed circulatory system over an open circulatory system? A) open circulatory system are subject to contamination from the environment. B) blood pressure is higher in an open circulatory system. ci blood in a closed circulatory system can be shunted where it is most needed. D) blood loss is greater in open circulatory system. E) A and D only. Picking up naked extracellular DNA molecule is accomplished during A) transcription B) conjugation C) transformation. 88. D) transduction E) translation 89. lodine is added to commercially-prepared table salt to help prevent deficiencies of this essential mineral. Which gland(s) require iodine to function properly? A) Parathyroid gland B) Adrenal gland C) Ovaries and testes. D) thyroid gland. E) pancreas 90. Which of the following do all fungi have in common? A) meiosis in basidia B) symbioses with algae C) sexual life cycle. D) coenocytic hyphae E) absorption of nutrients To which kingdom would a multicellular, eukaryotic, photosynthetic organism belong? A) Protista B) Fungi C) Plantae. 91. D) Animalia E) None of the above Protonephridia are excretory organs found in A) Earthworms B) insects C) jellyfish. 92. D) Flatworms E) vertebrates Animals are distinct among multicellular organisms because: A) their cells lack rigid cell walls and are flexible. B) they can move rapidly and are in more ways than members of other eukaryotic kingdoms c) they develop from a zygote in a characteristic embryonic development. D) they show great diversity in size, form and structure E) all of the above choices are correct. 93.

please answer just 90-93. thanks!

Answer 1

90. E, all fungi are heterotrophs

91. C, only plants have eukaryotic cells which perform photosynthesis

92. D, protonephridia found only in basal organisms like flatworms

93. E, all are correct.