Animal Crosword

4. organism that live on/in/or near the seafloor
5. a flexible, non-mineralized connective tissue that forms the primary skeletal structure in fish like sharks, rays, and skates
6. those that generate their own heat to maintain a stable body temperature
9. a type of egg laid by reptiles, birds, and some mammals
10. the process where animals shed their out layers to allow for growth and development
11. a basic tube-shaped animal body form, cnidarians like corals and sea anemones
13. produce milk to nourish their young
17. a gas-filled organ primarily used by bony fish to control buoyancy
18. any animal that lives in the ocean and lacks a backbone or vertebral column
19. free-swimming, bell-shaped body plan of certain cnidarians, and is the sexual reproductive stage in many cnidarians life cycles
20. posseses both male and female reproductive organs, common in invertebrates like sea slugs and some fish

1. a form of asexual reproduction where new individual develops as an outgrowth from the parent organism
2. common in attached or slow-moving organisms like jellyfish, sea anemones, and sea stars
3. facilitates locomotion, feeding, respiration, and circulation, using water pressure to move tube feet
6. a hard, internal Skeleton made of bone and/or cartilage that provides support, protection, and allow movement
7. an organism can be divided into two roughly mirror-image halves along a central axis
8. their body temperature fluctuates with the surrounding environment and they rely on external sources for heat regulation
12. a lack of balanced proportions or symmetry in an organism's structure or form
14. hard, external coverings that provide protection and support
15. an animals with a backbone called the vertebral column that lives in marine environment
16. facilitating the exchange of nutrients and waste between the mother and fetus during pregancy