) Why is the amniotic egg considered an important evolutionary breakthrough? A) It has a shell that increases gas exchange. B) It allows deposition of eggs in a terrestrial environment. C) It prolongs embryonic development. D) It provides insulation to conserve heat. E) It permits internal fertilization to be replaced by external fertilization.   9) All types of muscle tissue have A) nonstriated banding patterns seen under the microscope. B) striated banding patterns seen under the microscope. C) cells that lengthen when appropriately stimulated. D) a response that can be consciously controlled. E) interactions between actin and myosin fibers.

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Q: #12

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