40. Poikilotherms are unable to produce body heat. 41. Leaves are broad and thin

Question

40. Poikilotherms are unable to produce body heat. 41. Leaves are broad and thin to minimize their absorption of oxygen. 42. Water can hold more oxygen than air can. 43. Book lungs are found in crustaceans and mollusks, while external feathery gill are found in arachinids. 44. Saprobes parasitize plants. 45. In coelomates, but not in pseudocoelomates, a peritoneum completely lines the coelomic cavity 46. Trypanosomes possess a kinetoplast (a mass of mitochondrial DNA close to the nuch 47. Psychrophiles live in extremely hot conditions9Above 100°c 48. Spirogyra is a plant protist 49. Shigella spp is a bacteria that causes dysentery 50. Anthrax is a bacteria that can be used in terrorism.

Explanation / Answer

40. False, because Poikilotherms can produce body heat through their metabolisms. However, they cannot maintain their body heat with respect to their living environment.

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