Marine Protozoans

3. symbiotic one celled algau found in coral sea anamones mollusks and other types of marine organisms
4. a slimy lubrication and cleansing secretion
5. a type of radiolarian skeleton composed of silicon and possessing long needles which pass through the organism to the outside surface
7. very small particles of the decaying remains of dead plants and animals an important source of food for many marine animals
9. Structures used by radiolarians to aid in controlling their depth in the water column.
11. a type of radiolarian skeleton which is delicate and lace like
12. The process by which a species becomes better suited to survive in an environment.
13. a false foot formed by an an extension of cytoplasm it serves as a means of locomotion and a way of surrounding and thereby absorbing food
14. the area from the water surface to the bottom
16. Bottom dwelling organisms
18. a foram that secretes a single chamber
20. a container within which a tintinnid is housed it is either secreted by the organism or composed of foreign material cemented together
22. The inner portion of the radiolarians to aid in controlling their depths in the water column.

1. the process of using food material produced by other organisms
2. the relationship in which two organisms to the outside live together in close association
6. an organic matrix with embedded grains of sand
8. inhabiting the open water of the ocean rather than the bottom of the shore
10. an ocean bottom sediment consisting 30% or more foram skeletons
15. a vertical cylindrical sample of the bottom sediments
17. small plants and animals floating in the upper layers of the water column
19. The outer portion of the radiolarian's cytoplasm
21. small cavities that may contains secretions of the protoplasm or substances about to be excreted '
22. Tiny hairlike projections; used for locomotion in some one-celled organisms.
23. A hard, outer covering