Day 2: Animal Crossword

2. any animal whose regulation of body temperature depends on external sources, such as sunlight or a heated rock surface.
3. n organism that has both kinds of reproductive organs and can produce both gametes associated with male and female sexes
4. principal body forms occurring in members of the animal phylum Cnidaria which is free floating
5. a hydraulic system used by echinoderms for locomotion, food and waste transportation, and respiration
7. symmetry in which similar anatomical parts are arranged on opposite sides of a median axis so that only one plane can divide the individual into essentially identical halves
8. absence of or deviation from the regular disposition of similar parts of the body relative to a specific point, axis, or plane.
9. a connective tissue which is firm tissue but is softer and much more flexible than bone
13. buoyancy organ possessed by most bony fish
15. principal body forms occurring in members of the animal phylum Cnidaria which is attached to the floor
16. A temporary organ that joins the mother and fetus, transferring oxygen and nutrients from the mother to the fetus and permitting the release of carbon dioxide and waste products from the fetus
18. an organism must produce its own body heat through metabolism.
20. a skeleton found within the interior of the body

1. an animal lacking a backbone
4. the shedding or casting off of an outer layer or covering and the formation of its replacement
6. that has a backbone extending down the back of the body
10. in which the embryo develops inside an amnion; the shell of the egg is either calcium-based or leathery
11. supports and protects the soft tissues of certain animals
12. made up of connective tissue, fat, and tissue that contains the glands that can make milk
14. the arrangement of body parts around a central axis
17. a form of asexual reproduction in which a new individual develops from some generative anatomical point of the parent organism
19. the assemblage of organisms inhabiting the seafloor