BIOL 103 Quiz 7, 8

BIOL 103 Quiz 7, 8

Quiz 7

1. Choanocytes with whip-like flagella set up a flow of water carrying nutrients through the body of
2. Which of the following phrases best describes an animal?
3. Some members of this phylum normally move about with a single, large muscular foot.
4. Members of Phylum were observed in the human intestine.
5. Arthropods possess
6. Arthropods exhibit
7. Members of this phylum can possess a coat of hair.
8. Movable tube feet and radial symmetry are found in members of Phylum
9. have radial symmetry and sting prey with cells on their tentacles.
10. All of the following are used to classify animals into specific phyla except .

Quiz 8

1. It would be difficult to count each elephant in an elephant population at any given time mostly because
2. In the mark-recapture study in this lab, the actual population size must be somewhere near
3. The quadrat approach would be least appropriate for sampling population
4. In Activity #1B, which value below best represents the density of red squares/cm2 in the five quadrats you sampled?
5. In Activity #1A, if 10 transects were run instead of 5
6. To provide the best estimate of the average density of green squares on a sheet of paper using the quadrat method, successive placements of the quadrat should be
7. On the population sheet in Activity#1, which population ranked the highest in percent coverage?
8. Which of the following is the most obvious technical problem associated with sampling using the quadrat method?
9. How would the data change in the mark-recapture experiment, if the population had been sampled 40 times instead of 20 times?
10. Which of the following amounts would be least helpful in estimating population size by the mark- recapture method?