Plankton

1. organisms that spend only part of their lives as plankton.
6. small crustaceans that have two lone antennae for movement and gathering food; most common zooplankton
9. the lighted region of the ocean; area where photosynthesis can occur; phytoplankton live in this region
10. a cone- shaped net of fine mesh that is pulled through the water to collect plankton
11. small, usually microscopic animal plankton that float or drift in the ocean.
12. a single-celled holoplankton with a calcium carbonate shell
13. tiny whip-like hairs used for movement or catching food
15. young planktonic larval state of the crab
16. footlike projection

2. small, usually microscopic plant or animal organisms that float ot drift in the ocean
3. planktonic shrimp larva
4. a single celled holoplankton with a transparent body or shell
5. organisms that spend their entire lives as plankton
7. small plankton with characteristics of both plants and animals; causes red tide
8. planktonic larval stage of the crab; follows the zoea stage
14. composed of two identical halves encased in a shell made of silica or “glass”; most common phytoplankton