Biology Final

3. Magnifies 2,000 times at most.
6. Stinging cells, Hollow gut, and Tentacles.
7. Magnifies 50,000 times with a 3D image.
9. Variable that is changed during an experiment.
15. Trochaphore Larva, 3 part body, Coelom, All organ systems present, and has one or more shells.
16. Jointed appendages, Segmented body, Exoskeleton made of chitin, Ventral nerve cord, Open circulatory system, and Compound eyes.
17. Has 3 germ layers, Are cephalized, Hermaphroditic, and Flat bodies.

1. Distinct sexes, Long slender bodies, Some parasitic and some free living, 2 openings, and has a heart and circulatory system.
2. Radial symmetry, Spines, Calcaneous skeleton, Several arms, and Tube feet.
4. Define a problem, Form hypothesis, Experiment, Make observations and collect data, Analyze data, and Form a conclusion.
5. A group where the factor being tested is not applied so that it may serve as a standard for comparison.
8. Segments, Coelom, All organ systems present, Setae, and Trochophore larva.
10. A group of subjects that are exposed to the variable of a control group.
11. What is being measured or quantified in an experiment.
12. Magnifies 2,000,000 times with a 2D image.
13. No nucleus, Causes toxins, and Unicellular.
14. Asymmetrical, Sessile, No muscles or nerve cells, and 2 cell layers thick.