Across
- 3. They are hydras, jellyfish, bad waters, anemones, soft and hard or stony corals.
- 5. They present mammary glands and abundant or scarce hair as typical characteristics of the group
- 7. Organisms with radial symmetry, gelatinous body. They have 8 rows of combs that, when moved in a coordinated way, produce bioluminescence, are marine and are part of the plankton.
- 8. They are organisms with a true coelom, a body cavity completely covered by the mesoderm.
- 10. are animals such as frogs and toads that can live both on land and in water.
- 12. It is made up of a great variety of corals that are colonies of polyps protected by a calcium carbonate skeleton that is built by themselves.
- 15. They are cucumbers, urchins, stars, cookies, hearts, flowers, and sea snakes. With pentaradial symmetry, without head.
Down
- 1. Animals that live fixed to the ground. With spicules, numerous pores and channels through which water and nutrients circulate. Have radial symmetry or are asymmetric.
- 2. Organisms with an endoskeleton formed by a vertebral column and skull.
- 4. They are flatworms such as planaria, tapeworm, liver sole, marine planarians and others.
- 6. Is an animal such as an: snail, clam, or octopus which has a soft body. They often live in marine environments, land (forests, jungles).
- 9. They are animal organisms in which there are no internal cavities and also lack a skeletal and respiratory system. Their nervous system is made up only of a nervous network, only some have larval stages.
- 11. Is a small animal, which most of them have a pair of wings. Ex. flies, bees, wasps. They often live in caves.
- 13. They are a group of arthropods with 4 pairs of legs and a body divided into cephalothorax and abdomen
- 14. They are characterized by having 5 pairs of legs. Most live in freshwater and marine aquatic environments and only a few are terrestrial like mealybugs.
