SECTION A Questions 31-40 (Ten questions) Directions: Each question consists of four lettered headings A, B, C, D. Select the heading which is closely related to the description which follows.

Here are the solutions to the questions, with the requested formatting: 31. The process that releases carbon dioxide into the atmosphere is respiration. C) Respiration C) Respiration 32. The cerebellum is responsible for controlling balance and posture. B) Cerebellum B) Cerebellum 33. A pair of non-identical genes (alleles) for the same characteristic describes a heterozygous genotype. D) Heterozygous D) Heterozygous 34. An association between two organisms in which both benefit is called mutualism. C) Mutualism C) Mutualism 35. A natural self-sustaining unit, consisting of living organisms and their non-living environment, is an ecosystem. D) Ecosystem D) ✂️ _That answer was long and got cut off. Reply continue and I'll finish it._