1. The inside of the cell has many ____ for carrying out specific life processes.? .tissues mitochondria organelles chromosomes 2. A group of specialized cells first forms a(n) ____. tissue cell system organ 3. When evaluating whether something you are seeing under a microscope is a tissue, you should look for ____. many cells several different types of similar cells organs nerve cells 4. Which of the following is NOT a characteristic of animals? have eukaryotic cells digest their food make their own food have many cells with different functions 5. Cnidarians and sponges have ____ layers of tissue; flatworms have ____ layers of tissue. two; three three; two two; two three; three 6. Cnidarians reproduce ____. only sexually only by budding only asexually asexually and sexually 7. Members of this mollusk class have an internal plate instead of a shell. gastropods bivalves cephalopods none of the above 8. Which of these is NOT a trait of segmented worms? body separated into segments have large heads found in soil, freshwater, and saltwater have a body cavity that holds organs 9. All arthropods have an external covering called the ____. gills endoskeleton exoskeleton mantle 10. Of the following, which is NOT a stage of incomplete metamorphosis? egg pupa nymph adult.