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Invertebrates
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sessile: organism that is permanently attached to a surface.
invertebrate: animal without a backbone.
endoskeleton: internal skeleton.
symmetry: arrangement of body structures.
filter feeding: method in which food particles are filtered.
hermaphrodite: an animal that can produce both eggs and sperm.
appendage: any structure, such as a leg or antenna.
molting the periodic: shedding of an old exoskeleton.
metamorphosis: in insects, a series of chemically controlled changes in a body structure from juvenile to adult.
medusa: cnidarian body form that is umbrella shaped w/ tentacles.
polyp: cnidarian body form that is tube shaped with mouth surrounded by tentacles.
closed circulatory system: in which blood moves thru the body entirely enclosed in vessels.
open circulatory system: where blood moves thru vessels into open spaces around organs.
vertebrate: animal with a backbone.
chitin: A complex carbohydrate material that forms the skeletal shell of arthropods.
cilia: Minute hair-like projections.
annelida: phylum of segmented worms.
bivalve: Mollusk with two shells.
flagella: whip like structures on a cell.
foot: A muscular structure of mollusks for locomotion.
crustacea: A class of arthropods.
Echinodermata: Phylum of invertebrates having pentamerous radial symmetry.
mantle: Tissue of a mollusk that secretes lime to create a hard shell.
nematocyst: The stinging barb of cnidarians.
operculum: A lid or cover for the opening of a snail's shell.
ossicles: Tiny skeletal plates and fragments made of calcite crystals on an echinoderm
pincers: Front claws on a grab.
Coelenterata: An older name for the Phylum Cnidaria.
heterophobic: the way invertebrates eat.
chordate: Animals with a notochord extending the length of their body.
notochord: Flexible rod found in chordates.
scale: Overlapping structures made of keratin found in reptiles and on bird legs.
ectotherm: cold blooded animals that generate their own heat.
lateral line system: Senses organs on fish that are sensitive to water pressure and vibrations.
tetrapod: Four legged creatures.
marsupial: Primitive pouched mammals.
crop: A sac like organ used for storing food.
hominid: Upright walking primates.
Bipedalism: Walking on two legs rather than four.
Invertebrates
Across:2. | Phylum of invertebrates having pentamerous radial symmetry. | 7. | A sac like organ used for storing food. | 8. | in insects, a series of chemically controlled changes in a body structure from juvenile to adult. | 9. | The stinging barb of cnidarians. | 11. | Walking on two legs rather than four. | 12. | Flexible rod found in chordates. | 14. | Minute hair-like projections. | 17. | A complex carbohydrate material that forms the skeletal shell of arthropods. | 20. | in which blood moves thru the body entirely enclosed in vessels. |
| 23. | Animals with a notochord extending the length of their body. | 25. | Tissue of a mollusk that secretes lime to create a hard shell. | 26. | animal with a backbone. | 28. | organism that is permanently attached to a surface. | 29. | Front claws on a grab. | 30. | cnidarian body form that is tube shaped with mouth surrounded by tentacles. | 31. | An older name for the Phylum Cnidaria. | 32. | Overlapping structures made of keratin found in reptiles and on bird legs. | 33. | internal skeleton. |
| | Down:1. | cnidarian body form that is umbrella shaped w/ tentacles. | 3. | an animal that can produce both eggs and sperm. | 4. | any structure, such as a leg or antenna. | 5. | Primitive pouched mammals. | 6. | A muscular structure of mollusks for locomotion. | 10. | whip like structures on a cell. | 13. | Mollusk with two shells. | 15. | phylum of segmented worms. |
| 16. | Senses organs on fish that are sensitive to water pressure and vibrations. | 18. | A class of arthropods. | 19. | Tiny skeletal plates and fragments made of calcite crystals on an echinoderm | 21. | animal without a backbone. | 22. | A lid or cover for the opening of a snail's shell. | 24. | the way invertebrates eat. | 27. | Four legged creatures. |
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PuzzleFast.com, Noncommercial Use Only
Invertebrates
Across:2. | Phylum of invertebrates having pentamerous radial symmetry. | 7. | A sac like organ used for storing food. | 8. | in insects, a series of chemically controlled changes in a body structure from juvenile to adult. | 9. | The stinging barb of cnidarians. | 11. | Walking on two legs rather than four. | 12. | Flexible rod found in chordates. | 14. | Minute hair-like projections. | 17. | A complex carbohydrate material that forms the skeletal shell of arthropods. | 20. | in which blood moves thru the body entirely enclosed in vessels. |
| 23. | Animals with a notochord extending the length of their body. | 25. | Tissue of a mollusk that secretes lime to create a hard shell. | 26. | animal with a backbone. | 28. | organism that is permanently attached to a surface. | 29. | Front claws on a grab. | 30. | cnidarian body form that is tube shaped with mouth surrounded by tentacles. | 31. | An older name for the Phylum Cnidaria. | 32. | Overlapping structures made of keratin found in reptiles and on bird legs. | 33. | internal skeleton. |
| | Down:1. | cnidarian body form that is umbrella shaped w/ tentacles. | 3. | an animal that can produce both eggs and sperm. | 4. | any structure, such as a leg or antenna. | 5. | Primitive pouched mammals. | 6. | A muscular structure of mollusks for locomotion. | 10. | whip like structures on a cell. | 13. | Mollusk with two shells. | 15. | phylum of segmented worms. |
| 16. | Senses organs on fish that are sensitive to water pressure and vibrations. | 18. | A class of arthropods. | 19. | Tiny skeletal plates and fragments made of calcite crystals on an echinoderm | 21. | animal without a backbone. | 22. | A lid or cover for the opening of a snail's shell. | 24. | the way invertebrates eat. | 27. | Four legged creatures. |
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© 2015
PuzzleFast.com, Noncommercial Use Only