4. Protista is not a correct group in that it does not represent a true evolutio

Question

4. Protista is not a correct group in that it does not represent a true evolutionary lineage Because of this, it is said to be: a. polyphyletic multiphyletic e. technophyletic c. monophyletic d. aphyletic 5-9 Match the description to the label. Some may be used twice, others not at all. a. spiral b. radial c. cilia 5 Cytoplasmic streaming created this elongating projection 6.tiny hairs used for protist locomotion 7cleavage type of a deuterostome 8. long. whip-like "hair 9, cleavage type of a protostome d. pseudopodia e.flagellum 10-16 Match the description to the label. Some may be used twice, others not at all. a. Cenozoic b. Precambrian 10· Age of Mammals c. Paleozoic d. Mesozoic When first life began 12, when mammals evolved 13, First Eukaryote 14- -Age of Reptiles 15.--Animals left the water for land 6· The extinction of the dinosaurs BEGAN this era. 17-21 Match the description to the label. Some may be used twice, others not at all. a. choanocyte b. spicule c.porocyte d. spongocoele. osculum 17. Central cavity of a Porifera 18. Cell that allows water into the body of a Porifera.

Explanation / Answer

4.a Protists are under the group of polyphyletic.

5. Pseudopodia

6. Cilia- used for protists locomotion

7. radial cleavage

8. Flagellum

9. spiral

10.cenozoic

11. precambrian

12.cenozoic

13. precrambian

14. mesozoic

15. Cretaceous peroid, the last phase of the mesozoic era.

17.spongocoel

18.porocyte

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