Survey of Marine Animals

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Across
  1. 3. one of the two primary body forms found in the life cycle of cnidarians, a group of animals that includes jellyfish, corals, and sea anemones.
  2. 4. Eggs a type of shelled, water-retaining egg that allows reptiles, birds, and mammals (amniotes) to reproduce on land without the need for water.
  3. 7. a type of body symmetry in which an organism can be divided into two equal halves along a single plane, typically the sagittal plane.
  4. 8. is an internal skeleton that provides support, protection, and structure to an organism’s body.
  5. 9. organisms, also known as warm-blooded animals, can regulate their own body temperature independently of the environment.
  6. 11. a gas-filled organ found in most bony fish (Osteichthyes) that helps them control their buoyancy in the water.
  7. 13. a body form found in the life cycle of certain animals, particularly in cnidarians (a group that includes jellyfish, corals, and sea anemones).
  8. 14. traditionally refers to an organism that has both male and female reproductive organs.
  9. 20. are fascinating creatures that make up the vast majority of animal life on Earth
  10. 21. animals, also known as cold-blooded animals, rely on the external environment to regulate their body temperature.
Down
  1. 1. is a unique hydraulic system found in echinoderms (such as sea stars, sea urchins, and sea cucumbers).
  2. 2. an animal that has a backbone or spinal column.
  3. 5. refers to a lack of balance or equality in the arrangement of parts or structures in an organism or object
  4. 6. a type of symmetry found in some organisms, where their body can be divided into equal parts around a central axis, much like the spokes of a wheel or slices of a pie.
  5. 10. Glands are specialized organs in mammals that produce milk to nourish their young.
  6. 12. a strong, flexible connective tissue that provides support, cushioning, and structure in animals, particularly in the skeletal system.
  7. 15. is a rigid external covering that provides support, protection, and structure to an organism’s body.
  8. 16. is the process by which an organism sheds its exoskeleton, feathers, skin, or hair to allow for growth or renewal.
  9. 17. is a fascinating asexual reproductive process where a new organism develops from an outgrowth or bud on the parent organism
  10. 18. refers to anything related to the bottom of a body of water, such as an ocean, lake, or river.
  11. 19. is a temporary organ that develops in pregnant placental mammals to support the growing embryo or fetus.