Taxonomics characteristics-animal structure

1. Which of the following is NOT consistent with out understanding of animal structure?A. The enviroment imposes similar challenges to allanimlasB. The evolution of structure in an animal is inflenced by itsenvironmentC. With only a few exception animla demonstrate the samehierarchical levles tissue organizationD. Different animals contain fundamentally differentcategories of tissues
2. Which of the following is critical for classifying animals in the taxon ecdysozoa?A. moltingB. embryonic cleavageC. segmentationD. a true coelomic cavityE. none of the above
3. Taxonomics characteristics may be derived from which of the follwoing?A. comparative embryology and anatomyB. biochemical similarities among genetic materla andproteinsC. morphological featuresD. all of the aboveE. a and c only